Home / 65,209.23-89,989.11-38,352.87

Finding the Fourth Proportional to 65,209.23, 89,989.11 and 38,352.87

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Solution

The fourth proportional to 65,209.23, 89,989.11 and 38,352.87 is: 52,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,209.23 : 89,989.11 = 38,352.87 : x
  2. Step 2: Convert to fraction form
    65,209.23/89,989.11 = 38,352.87/x
  3. Step 3: Cross multiply
    65,209.23x = 89,989.11 × 38,352.87
  4. Step 4: Simplify right side
    65,209.23x = 3,451,340,637.25
  5. Step 5: Solve for x
    x = 3,451,340,637.25/65,209.23
  6. Step 6: Final answer
    x = 52,927.18

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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.