Home / 20,061.86-30,036.60-15,116.00

Finding the Fourth Proportional to 20,061.86, 30,036.60 and 15,116.00

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Solution

The fourth proportional to 20,061.86, 30,036.60 and 15,116.00 is: 22,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.86 : 30,036.60 = 15,116.00 : x
  2. Step 2: Convert to fraction form
    20,061.86/30,036.60 = 15,116.00/x
  3. Step 3: Cross multiply
    20,061.86x = 30,036.60 × 15,116.00
  4. Step 4: Simplify right side
    20,061.86x = 454,033,095.42
  5. Step 5: Solve for x
    x = 454,033,095.42/20,061.86
  6. Step 6: Final answer
    x = 22,631.66

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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.