Home / 42,031.32-58,005.92-23,170.20

Finding the Fourth Proportional to 42,031.32, 58,005.92 and 23,170.20

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Solution

The fourth proportional to 42,031.32, 58,005.92 and 23,170.20 is: 31,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,031.32 : 58,005.92 = 23,170.20 : x
  2. Step 2: Convert to fraction form
    42,031.32/58,005.92 = 23,170.20/x
  3. Step 3: Cross multiply
    42,031.32x = 58,005.92 × 23,170.20
  4. Step 4: Simplify right side
    42,031.32x = 1,344,008,767.58
  5. Step 5: Solve for x
    x = 1,344,008,767.58/42,031.32
  6. Step 6: Final answer
    x = 31,976.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.