Home / 36,654.06-54,981.09-21,061.74

Finding the Fourth Proportional to 36,654.06, 54,981.09 and 21,061.74

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Solution

The fourth proportional to 36,654.06, 54,981.09 and 21,061.74 is: 31,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,654.06 : 54,981.09 = 21,061.74 : x
  2. Step 2: Convert to fraction form
    36,654.06/54,981.09 = 21,061.74/x
  3. Step 3: Cross multiply
    36,654.06x = 54,981.09 × 21,061.74
  4. Step 4: Simplify right side
    36,654.06x = 1,157,997,422.50
  5. Step 5: Solve for x
    x = 1,157,997,422.50/36,654.06
  6. Step 6: Final answer
    x = 31,592.61

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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.