Home / 52,430.91-72,355.25-28,557.78

Finding the Fourth Proportional to 52,430.91, 72,355.25 and 28,557.78

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Solution

The fourth proportional to 52,430.91, 72,355.25 and 28,557.78 is: 39,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.91 : 72,355.25 = 28,557.78 : x
  2. Step 2: Convert to fraction form
    52,430.91/72,355.25 = 28,557.78/x
  3. Step 3: Cross multiply
    52,430.91x = 72,355.25 × 28,557.78
  4. Step 4: Simplify right side
    52,430.91x = 2,066,305,311.35
  5. Step 5: Solve for x
    x = 2,066,305,311.35/52,430.91
  6. Step 6: Final answer
    x = 39,410.06

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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.