Home / 42,014.60-63,035.26-12,432.58

Finding the Fourth Proportional to 42,014.60, 63,035.26 and 12,432.58

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Solution

The fourth proportional to 42,014.60, 63,035.26 and 12,432.58 is: 18,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.60 : 63,035.26 = 12,432.58 : x
  2. Step 2: Convert to fraction form
    42,014.60/63,035.26 = 12,432.58/x
  3. Step 3: Cross multiply
    42,014.60x = 63,035.26 × 12,432.58
  4. Step 4: Simplify right side
    42,014.60x = 783,690,912.77
  5. Step 5: Solve for x
    x = 783,690,912.77/42,014.60
  6. Step 6: Final answer
    x = 18,652.82

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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.