Home / 37,043.60-51,119.17-21,127.70

Finding the Fourth Proportional to 37,043.60, 51,119.17 and 21,127.70

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Solution

The fourth proportional to 37,043.60, 51,119.17 and 21,127.70 is: 29,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,043.60 : 51,119.17 = 21,127.70 : x
  2. Step 2: Convert to fraction form
    37,043.60/51,119.17 = 21,127.70/x
  3. Step 3: Cross multiply
    37,043.60x = 51,119.17 × 21,127.70
  4. Step 4: Simplify right side
    37,043.60x = 1,080,030,562.99
  5. Step 5: Solve for x
    x = 1,080,030,562.99/37,043.60
  6. Step 6: Final answer
    x = 29,155.66

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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.