Home / 60,909.20-84,065.07-35,430.34

Finding the Fourth Proportional to 60,909.20, 84,065.07 and 35,430.34

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Solution

The fourth proportional to 60,909.20, 84,065.07 and 35,430.34 is: 48,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,909.20 : 84,065.07 = 35,430.34 : x
  2. Step 2: Convert to fraction form
    60,909.20/84,065.07 = 35,430.34/x
  3. Step 3: Cross multiply
    60,909.20x = 84,065.07 × 35,430.34
  4. Step 4: Simplify right side
    60,909.20x = 2,978,453,856.11
  5. Step 5: Solve for x
    x = 2,978,453,856.11/60,909.20
  6. Step 6: Final answer
    x = 48,899.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.