Home / 59,605.23-89,432.33-28,420.59

Finding the Fourth Proportional to 59,605.23, 89,432.33 and 28,420.59

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Solution

The fourth proportional to 59,605.23, 89,432.33 and 28,420.59 is: 42,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,605.23 : 89,432.33 = 28,420.59 : x
  2. Step 2: Convert to fraction form
    59,605.23/89,432.33 = 28,420.59/x
  3. Step 3: Cross multiply
    59,605.23x = 89,432.33 × 28,420.59
  4. Step 4: Simplify right side
    59,605.23x = 2,541,719,441.57
  5. Step 5: Solve for x
    x = 2,541,719,441.57/59,605.23
  6. Step 6: Final answer
    x = 42,642.56

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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.