Home / 64,320.40-88,766.86-38,833.04

Finding the Fourth Proportional to 64,320.40, 88,766.86 and 38,833.04

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Solution

The fourth proportional to 64,320.40, 88,766.86 and 38,833.04 is: 53,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,320.40 : 88,766.86 = 38,833.04 : x
  2. Step 2: Convert to fraction form
    64,320.40/88,766.86 = 38,833.04/x
  3. Step 3: Cross multiply
    64,320.40x = 88,766.86 × 38,833.04
  4. Step 4: Simplify right side
    64,320.40x = 3,447,087,025.05
  5. Step 5: Solve for x
    x = 3,447,087,025.05/64,320.40
  6. Step 6: Final answer
    x = 53,592.44

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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.