Home / 85,024.10-127,531.23-32,438.90

Finding the Fourth Proportional to 85,024.10, 127,531.23 and 32,438.90

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Solution

The fourth proportional to 85,024.10, 127,531.23 and 32,438.90 is: 48,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,024.10 : 127,531.23 = 32,438.90 : x
  2. Step 2: Convert to fraction form
    85,024.10/127,531.23 = 32,438.90/x
  3. Step 3: Cross multiply
    85,024.10x = 127,531.23 × 32,438.90
  4. Step 4: Simplify right side
    85,024.10x = 4,136,972,816.85
  5. Step 5: Solve for x
    x = 4,136,972,816.85/85,024.10
  6. Step 6: Final answer
    x = 48,656.47

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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.