Home / 35,618,995.70-53,428,493.55-20,502,451.70

Finding the Fourth Proportional to 35,618,995.70, 53,428,493.55 and 20,502,451.70

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Solution

The fourth proportional to 35,618,995.70, 53,428,493.55 and 20,502,451.70 is: 30,753,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618,995.70 : 53,428,493.55 = 20,502,451.70 : x
  2. Step 2: Convert to fraction form
    35,618,995.70/53,428,493.55 = 20,502,451.70/x
  3. Step 3: Cross multiply
    35,618,995.70x = 53,428,493.55 × 20,502,451.70
  4. Step 4: Simplify right side
    35,618,995.70x = 1,095,415,108,412,636.38
  5. Step 5: Solve for x
    x = 1,095,415,108,412,636.38/35,618,995.70
  6. Step 6: Final answer
    x = 30,753,677.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.