Home / 38,377.90-52,965.39-21,384.91

Finding the Fourth Proportional to 38,377.90, 52,965.39 and 21,384.91

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Solution

The fourth proportional to 38,377.90, 52,965.39 and 21,384.91 is: 29,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.90 : 52,965.39 = 21,384.91 : x
  2. Step 2: Convert to fraction form
    38,377.90/52,965.39 = 21,384.91/x
  3. Step 3: Cross multiply
    38,377.90x = 52,965.39 × 21,384.91
  4. Step 4: Simplify right side
    38,377.90x = 1,132,660,098.26
  5. Step 5: Solve for x
    x = 1,132,660,098.26/38,377.90
  6. Step 6: Final answer
    x = 29,513.34

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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.