Home / 37,046.06-51,123.04-21,130.78

Finding the Fourth Proportional to 37,046.06, 51,123.04 and 21,130.78

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Solution

The fourth proportional to 37,046.06, 51,123.04 and 21,130.78 is: 29,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,046.06 : 51,123.04 = 21,130.78 : x
  2. Step 2: Convert to fraction form
    37,046.06/51,123.04 = 21,130.78/x
  3. Step 3: Cross multiply
    37,046.06x = 51,123.04 × 21,130.78
  4. Step 4: Simplify right side
    37,046.06x = 1,080,269,711.17
  5. Step 5: Solve for x
    x = 1,080,269,711.17/37,046.06
  6. Step 6: Final answer
    x = 29,160.18

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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.