Home / 52,430.50-72,354.92-28,557.16

Finding the Fourth Proportional to 52,430.50, 72,354.92 and 28,557.16

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Solution

The fourth proportional to 52,430.50, 72,354.92 and 28,557.16 is: 39,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.50 : 72,354.92 = 28,557.16 : x
  2. Step 2: Convert to fraction form
    52,430.50/72,354.92 = 28,557.16/x
  3. Step 3: Cross multiply
    52,430.50x = 72,354.92 × 28,557.16
  4. Step 4: Simplify right side
    52,430.50x = 2,066,251,027.23
  5. Step 5: Solve for x
    x = 2,066,251,027.23/52,430.50
  6. Step 6: Final answer
    x = 39,409.33

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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.