Home / 42,773.32-64,165.92-13,193.52

Finding the Fourth Proportional to 42,773.32, 64,165.92 and 13,193.52

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Solution

The fourth proportional to 42,773.32, 64,165.92 and 13,193.52 is: 19,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773.32 : 64,165.92 = 13,193.52 : x
  2. Step 2: Convert to fraction form
    42,773.32/64,165.92 = 13,193.52/x
  3. Step 3: Cross multiply
    42,773.32x = 64,165.92 × 13,193.52
  4. Step 4: Simplify right side
    42,773.32x = 846,574,348.84
  5. Step 5: Solve for x
    x = 846,574,348.84/42,773.32
  6. Step 6: Final answer
    x = 19,792.11

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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.