Home / 38,288.43-52,838.33-21,521.43

Finding the Fourth Proportional to 38,288.43, 52,838.33 and 21,521.43

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Solution

The fourth proportional to 38,288.43, 52,838.33 and 21,521.43 is: 29,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.43 : 52,838.33 = 21,521.43 : x
  2. Step 2: Convert to fraction form
    38,288.43/52,838.33 = 21,521.43/x
  3. Step 3: Cross multiply
    38,288.43x = 52,838.33 × 21,521.43
  4. Step 4: Simplify right side
    38,288.43x = 1,137,156,312.80
  5. Step 5: Solve for x
    x = 1,137,156,312.80/38,288.43
  6. Step 6: Final answer
    x = 29,699.74

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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.