Home / 42,032.64-63,027.36-12,446.76

Finding the Fourth Proportional to 42,032.64, 63,027.36 and 12,446.76

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Solution

The fourth proportional to 42,032.64, 63,027.36 and 12,446.76 is: 18,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,032.64 : 63,027.36 = 12,446.76 : x
  2. Step 2: Convert to fraction form
    42,032.64/63,027.36 = 12,446.76/x
  3. Step 3: Cross multiply
    42,032.64x = 63,027.36 × 12,446.76
  4. Step 4: Simplify right side
    42,032.64x = 784,486,423.35
  5. Step 5: Solve for x
    x = 784,486,423.35/42,032.64
  6. Step 6: Final answer
    x = 18,663.74

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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.