Home / 58,537.28-87,806.40-21,123.84

Finding the Fourth Proportional to 58,537.28, 87,806.40 and 21,123.84

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Solution

The fourth proportional to 58,537.28, 87,806.40 and 21,123.84 is: 31,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,537.28 : 87,806.40 = 21,123.84 : x
  2. Step 2: Convert to fraction form
    58,537.28/87,806.40 = 21,123.84/x
  3. Step 3: Cross multiply
    58,537.28x = 87,806.40 × 21,123.84
  4. Step 4: Simplify right side
    58,537.28x = 1,854,808,344.58
  5. Step 5: Solve for x
    x = 1,854,808,344.58/58,537.28
  6. Step 6: Final answer
    x = 31,685.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.