Home / 31,529.60-47,293.80-8,155.52

Finding the Fourth Proportional to 31,529.60, 47,293.80 and 8,155.52

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Solution

The fourth proportional to 31,529.60, 47,293.80 and 8,155.52 is: 12,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.60 : 47,293.80 = 8,155.52 : x
  2. Step 2: Convert to fraction form
    31,529.60/47,293.80 = 8,155.52/x
  3. Step 3: Cross multiply
    31,529.60x = 47,293.80 × 8,155.52
  4. Step 4: Simplify right side
    31,529.60x = 385,705,531.78
  5. Step 5: Solve for x
    x = 385,705,531.78/31,529.60
  6. Step 6: Final answer
    x = 12,233.12

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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.