Home / 38,717.01-53,433.51-21,725.83

Finding the Fourth Proportional to 38,717.01, 53,433.51 and 21,725.83

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Solution

The fourth proportional to 38,717.01, 53,433.51 and 21,725.83 is: 29,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,717.01 : 53,433.51 = 21,725.83 : x
  2. Step 2: Convert to fraction form
    38,717.01/53,433.51 = 21,725.83/x
  3. Step 3: Cross multiply
    38,717.01x = 53,433.51 × 21,725.83
  4. Step 4: Simplify right side
    38,717.01x = 1,160,887,354.56
  5. Step 5: Solve for x
    x = 1,160,887,354.56/38,717.01
  6. Step 6: Final answer
    x = 29,983.91

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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.