Home / 52,767.40-79,035.90-40,988.20

Finding the Fourth Proportional to 52,767.40, 79,035.90 and 40,988.20

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Solution

The fourth proportional to 52,767.40, 79,035.90 and 40,988.20 is: 61,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,767.40 : 79,035.90 = 40,988.20 : x
  2. Step 2: Convert to fraction form
    52,767.40/79,035.90 = 40,988.20/x
  3. Step 3: Cross multiply
    52,767.40x = 79,035.90 × 40,988.20
  4. Step 4: Simplify right side
    52,767.40x = 3,239,539,276.38
  5. Step 5: Solve for x
    x = 3,239,539,276.38/52,767.40
  6. Step 6: Final answer
    x = 61,392.82

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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.