Home / 60,430.20-90,645.30-34,186.20

Finding the Fourth Proportional to 60,430.20, 90,645.30 and 34,186.20

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Solution

The fourth proportional to 60,430.20, 90,645.30 and 34,186.20 is: 51,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,430.20 : 90,645.30 = 34,186.20 : x
  2. Step 2: Convert to fraction form
    60,430.20/90,645.30 = 34,186.20/x
  3. Step 3: Cross multiply
    60,430.20x = 90,645.30 × 34,186.20
  4. Step 4: Simplify right side
    60,430.20x = 3,098,818,354.86
  5. Step 5: Solve for x
    x = 3,098,818,354.86/60,430.20
  6. Step 6: Final answer
    x = 51,279.30

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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.