Home / 37,398.50-51,610.91-20,403.02

Finding the Fourth Proportional to 37,398.50, 51,610.91 and 20,403.02

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Solution

The fourth proportional to 37,398.50, 51,610.91 and 20,403.02 is: 28,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,398.50 : 51,610.91 = 20,403.02 : x
  2. Step 2: Convert to fraction form
    37,398.50/51,610.91 = 20,403.02/x
  3. Step 3: Cross multiply
    37,398.50x = 51,610.91 × 20,403.02
  4. Step 4: Simplify right side
    37,398.50x = 1,053,018,428.95
  5. Step 5: Solve for x
    x = 1,053,018,428.95/37,398.50
  6. Step 6: Final answer
    x = 28,156.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.