Home / 52,220.14-72,061.84-28,346.30

Finding the Fourth Proportional to 52,220.14, 72,061.84 and 28,346.30

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Solution

The fourth proportional to 52,220.14, 72,061.84 and 28,346.30 is: 39,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.14 : 72,061.84 = 28,346.30 : x
  2. Step 2: Convert to fraction form
    52,220.14/72,061.84 = 28,346.30/x
  3. Step 3: Cross multiply
    52,220.14x = 72,061.84 × 28,346.30
  4. Step 4: Simplify right side
    52,220.14x = 2,042,686,535.19
  5. Step 5: Solve for x
    x = 2,042,686,535.19/52,220.14
  6. Step 6: Final answer
    x = 39,116.83

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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.