Home / 52,432.02-78,659.55-38,538.90

Finding the Fourth Proportional to 52,432.02, 78,659.55 and 38,538.90

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Solution

The fourth proportional to 52,432.02, 78,659.55 and 38,538.90 is: 57,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432.02 : 78,659.55 = 38,538.90 : x
  2. Step 2: Convert to fraction form
    52,432.02/78,659.55 = 38,538.90/x
  3. Step 3: Cross multiply
    52,432.02x = 78,659.55 × 38,538.90
  4. Step 4: Simplify right side
    52,432.02x = 3,031,452,531.50
  5. Step 5: Solve for x
    x = 3,031,452,531.50/52,432.02
  6. Step 6: Final answer
    x = 57,816.82

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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.