Home / 38,376.96-57,569.28-12,080.64

Finding the Fourth Proportional to 38,376.96, 57,569.28 and 12,080.64

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Solution

The fourth proportional to 38,376.96, 57,569.28 and 12,080.64 is: 18,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.96 : 57,569.28 = 12,080.64 : x
  2. Step 2: Convert to fraction form
    38,376.96/57,569.28 = 12,080.64/x
  3. Step 3: Cross multiply
    38,376.96x = 57,569.28 × 12,080.64
  4. Step 4: Simplify right side
    38,376.96x = 695,473,746.74
  5. Step 5: Solve for x
    x = 695,473,746.74/38,376.96
  6. Step 6: Final answer
    x = 18,122.17

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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.