Home / 38,175.81-57,521.13-31,656.93

Finding the Fourth Proportional to 38,175.81, 57,521.13 and 31,656.93

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Solution

The fourth proportional to 38,175.81, 57,521.13 and 31,656.93 is: 47,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,175.81 : 57,521.13 = 31,656.93 : x
  2. Step 2: Convert to fraction form
    38,175.81/57,521.13 = 31,656.93/x
  3. Step 3: Cross multiply
    38,175.81x = 57,521.13 × 31,656.93
  4. Step 4: Simplify right side
    38,175.81x = 1,820,942,385.93
  5. Step 5: Solve for x
    x = 1,820,942,385.93/38,175.81
  6. Step 6: Final answer
    x = 47,698.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.