Home / 37,899.52-56,856.30-12,938.20

Finding the Fourth Proportional to 37,899.52, 56,856.30 and 12,938.20

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Solution

The fourth proportional to 37,899.52, 56,856.30 and 12,938.20 is: 19,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,899.52 : 56,856.30 = 12,938.20 : x
  2. Step 2: Convert to fraction form
    37,899.52/56,856.30 = 12,938.20/x
  3. Step 3: Cross multiply
    37,899.52x = 56,856.30 × 12,938.20
  4. Step 4: Simplify right side
    37,899.52x = 735,618,180.66
  5. Step 5: Solve for x
    x = 735,618,180.66/37,899.52
  6. Step 6: Final answer
    x = 19,409.70

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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.