Home / 38,397.66-52,988.84-21,401.52

Finding the Fourth Proportional to 38,397.66, 52,988.84 and 21,401.52

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Solution

The fourth proportional to 38,397.66, 52,988.84 and 21,401.52 is: 29,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.66 : 52,988.84 = 21,401.52 : x
  2. Step 2: Convert to fraction form
    38,397.66/52,988.84 = 21,401.52/x
  3. Step 3: Cross multiply
    38,397.66x = 52,988.84 × 21,401.52
  4. Step 4: Simplify right side
    38,397.66x = 1,134,041,612.03
  5. Step 5: Solve for x
    x = 1,134,041,612.03/38,397.66
  6. Step 6: Final answer
    x = 29,534.13

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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.