Home / 60,501.30-90,730.35-21,059.70

Finding the Fourth Proportional to 60,501.30, 90,730.35 and 21,059.70

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Solution

The fourth proportional to 60,501.30, 90,730.35 and 21,059.70 is: 31,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,501.30 : 90,730.35 = 21,059.70 : x
  2. Step 2: Convert to fraction form
    60,501.30/90,730.35 = 21,059.70/x
  3. Step 3: Cross multiply
    60,501.30x = 90,730.35 × 21,059.70
  4. Step 4: Simplify right side
    60,501.30x = 1,910,753,951.90
  5. Step 5: Solve for x
    x = 1,910,753,951.90/60,501.30
  6. Step 6: Final answer
    x = 31,582.03

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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.