Home / 39,437.73-54,424.04-21,532.82

Finding the Fourth Proportional to 39,437.73, 54,424.04 and 21,532.82

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Solution

The fourth proportional to 39,437.73, 54,424.04 and 21,532.82 is: 29,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,437.73 : 54,424.04 = 21,532.82 : x
  2. Step 2: Convert to fraction form
    39,437.73/54,424.04 = 21,532.82/x
  3. Step 3: Cross multiply
    39,437.73x = 54,424.04 × 21,532.82
  4. Step 4: Simplify right side
    39,437.73x = 1,171,902,677.21
  5. Step 5: Solve for x
    x = 1,171,902,677.21/39,437.73
  6. Step 6: Final answer
    x = 29,715.27

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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.