Home / 38,007.12-52,449.46-21,011.80

Finding the Fourth Proportional to 38,007.12, 52,449.46 and 21,011.80

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Solution

The fourth proportional to 38,007.12, 52,449.46 and 21,011.80 is: 28,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.12 : 52,449.46 = 21,011.80 : x
  2. Step 2: Convert to fraction form
    38,007.12/52,449.46 = 21,011.80/x
  3. Step 3: Cross multiply
    38,007.12x = 52,449.46 × 21,011.80
  4. Step 4: Simplify right side
    38,007.12x = 1,102,057,301.38
  5. Step 5: Solve for x
    x = 1,102,057,301.38/38,007.12
  6. Step 6: Final answer
    x = 28,996.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.