Home / 52,430.56-72,351.68-28,557.12

Finding the Fourth Proportional to 52,430.56, 72,351.68 and 28,557.12

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Solution

The fourth proportional to 52,430.56, 72,351.68 and 28,557.12 is: 39,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.56 : 72,351.68 = 28,557.12 : x
  2. Step 2: Convert to fraction form
    52,430.56/72,351.68 = 28,557.12/x
  3. Step 3: Cross multiply
    52,430.56x = 72,351.68 × 28,557.12
  4. Step 4: Simplify right side
    52,430.56x = 2,066,155,607.96
  5. Step 5: Solve for x
    x = 2,066,155,607.96/52,430.56
  6. Step 6: Final answer
    x = 39,407.47

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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.