Home / 60,325.61-90,488.43-20,861.19

Finding the Fourth Proportional to 60,325.61, 90,488.43 and 20,861.19

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Solution

The fourth proportional to 60,325.61, 90,488.43 and 20,861.19 is: 31,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,325.61 : 90,488.43 = 20,861.19 : x
  2. Step 2: Convert to fraction form
    60,325.61/90,488.43 = 20,861.19/x
  3. Step 3: Cross multiply
    60,325.61x = 90,488.43 × 20,861.19
  4. Step 4: Simplify right side
    60,325.61x = 1,887,696,331.03
  5. Step 5: Solve for x
    x = 1,887,696,331.03/60,325.61
  6. Step 6: Final answer
    x = 31,291.79

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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.