Home / 52,421.16-72,410.42-38,836.78

Finding the Fourth Proportional to 52,421.16, 72,410.42 and 38,836.78

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Solution

The fourth proportional to 52,421.16, 72,410.42 and 38,836.78 is: 53,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.16 : 72,410.42 = 38,836.78 : x
  2. Step 2: Convert to fraction form
    52,421.16/72,410.42 = 38,836.78/x
  3. Step 3: Cross multiply
    52,421.16x = 72,410.42 × 38,836.78
  4. Step 4: Simplify right side
    52,421.16x = 2,812,187,551.25
  5. Step 5: Solve for x
    x = 2,812,187,551.25/52,421.16
  6. Step 6: Final answer
    x = 53,646.04

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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.