Home / 60,869.92-91,301.70-21,427.30

Finding the Fourth Proportional to 60,869.92, 91,301.70 and 21,427.30

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Solution

The fourth proportional to 60,869.92, 91,301.70 and 21,427.30 is: 32,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,869.92 : 91,301.70 = 21,427.30 : x
  2. Step 2: Convert to fraction form
    60,869.92/91,301.70 = 21,427.30/x
  3. Step 3: Cross multiply
    60,869.92x = 91,301.70 × 21,427.30
  4. Step 4: Simplify right side
    60,869.92x = 1,956,348,916.41
  5. Step 5: Solve for x
    x = 1,956,348,916.41/60,869.92
  6. Step 6: Final answer
    x = 32,139.83

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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.