Home / 38,963.56-58,430.98-13,996.90

Finding the Fourth Proportional to 38,963.56, 58,430.98 and 13,996.90

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Solution

The fourth proportional to 38,963.56, 58,430.98 and 13,996.90 is: 20,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.56 : 58,430.98 = 13,996.90 : x
  2. Step 2: Convert to fraction form
    38,963.56/58,430.98 = 13,996.90/x
  3. Step 3: Cross multiply
    38,963.56x = 58,430.98 × 13,996.90
  4. Step 4: Simplify right side
    38,963.56x = 817,852,583.96
  5. Step 5: Solve for x
    x = 817,852,583.96/38,963.56
  6. Step 6: Final answer
    x = 20,990.19

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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.