Home / 38,897.10-58,302.45-20,169.90

Finding the Fourth Proportional to 38,897.10, 58,302.45 and 20,169.90

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Solution

The fourth proportional to 38,897.10, 58,302.45 and 20,169.90 is: 30,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.10 : 58,302.45 = 20,169.90 : x
  2. Step 2: Convert to fraction form
    38,897.10/58,302.45 = 20,169.90/x
  3. Step 3: Cross multiply
    38,897.10x = 58,302.45 × 20,169.90
  4. Step 4: Simplify right side
    38,897.10x = 1,175,954,586.26
  5. Step 5: Solve for x
    x = 1,175,954,586.26/38,897.10
  6. Step 6: Final answer
    x = 30,232.45

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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.