Home / 38,398.83-52,988.17-21,402.51

Finding the Fourth Proportional to 38,398.83, 52,988.17 and 21,402.51

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Solution

The fourth proportional to 38,398.83, 52,988.17 and 21,402.51 is: 29,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.83 : 52,988.17 = 21,402.51 : x
  2. Step 2: Convert to fraction form
    38,398.83/52,988.17 = 21,402.51/x
  3. Step 3: Cross multiply
    38,398.83x = 52,988.17 × 21,402.51
  4. Step 4: Simplify right side
    38,398.83x = 1,134,079,838.31
  5. Step 5: Solve for x
    x = 1,134,079,838.31/38,398.83
  6. Step 6: Final answer
    x = 29,534.23

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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.