Home / 42,477.33-63,717.62-21,676.53

Finding the Fourth Proportional to 42,477.33, 63,717.62 and 21,676.53

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Solution

The fourth proportional to 42,477.33, 63,717.62 and 21,676.53 is: 32,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,477.33 : 63,717.62 = 21,676.53 : x
  2. Step 2: Convert to fraction form
    42,477.33/63,717.62 = 21,676.53/x
  3. Step 3: Cross multiply
    42,477.33x = 63,717.62 × 21,676.53
  4. Step 4: Simplify right side
    42,477.33x = 1,381,176,901.46
  5. Step 5: Solve for x
    x = 1,381,176,901.46/42,477.33
  6. Step 6: Final answer
    x = 32,515.62

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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.