Home / 38,864.90-58,254.15-21,347.30

Finding the Fourth Proportional to 38,864.90, 58,254.15 and 21,347.30

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Solution

The fourth proportional to 38,864.90, 58,254.15 and 21,347.30 is: 31,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,864.90 : 58,254.15 = 21,347.30 : x
  2. Step 2: Convert to fraction form
    38,864.90/58,254.15 = 21,347.30/x
  3. Step 3: Cross multiply
    38,864.90x = 58,254.15 × 21,347.30
  4. Step 4: Simplify right side
    38,864.90x = 1,243,568,816.30
  5. Step 5: Solve for x
    x = 1,243,568,816.30/38,864.90
  6. Step 6: Final answer
    x = 31,997.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.