Home / 37,631.20-51,930.30-21,715.24

Finding the Fourth Proportional to 37,631.20, 51,930.30 and 21,715.24

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Solution

The fourth proportional to 37,631.20, 51,930.30 and 21,715.24 is: 29,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.20 : 51,930.30 = 21,715.24 : x
  2. Step 2: Convert to fraction form
    37,631.20/51,930.30 = 21,715.24/x
  3. Step 3: Cross multiply
    37,631.20x = 51,930.30 × 21,715.24
  4. Step 4: Simplify right side
    37,631.20x = 1,127,678,927.77
  5. Step 5: Solve for x
    x = 1,127,678,927.77/37,631.20
  6. Step 6: Final answer
    x = 29,966.59

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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.