Home / 59,721.90-89,577.45-20,280.30

Finding the Fourth Proportional to 59,721.90, 89,577.45 and 20,280.30

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Solution

The fourth proportional to 59,721.90, 89,577.45 and 20,280.30 is: 30,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,721.90 : 89,577.45 = 20,280.30 : x
  2. Step 2: Convert to fraction form
    59,721.90/89,577.45 = 20,280.30/x
  3. Step 3: Cross multiply
    59,721.90x = 89,577.45 × 20,280.30
  4. Step 4: Simplify right side
    59,721.90x = 1,816,657,559.24
  5. Step 5: Solve for x
    x = 1,816,657,559.24/59,721.90
  6. Step 6: Final answer
    x = 30,418.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.