Home / 44,538.72-66,721.60-39,806.70

Finding the Fourth Proportional to 44,538.72, 66,721.60 and 39,806.70

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Solution

The fourth proportional to 44,538.72, 66,721.60 and 39,806.70 is: 59,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,538.72 : 66,721.60 = 39,806.70 : x
  2. Step 2: Convert to fraction form
    44,538.72/66,721.60 = 39,806.70/x
  3. Step 3: Cross multiply
    44,538.72x = 66,721.60 × 39,806.70
  4. Step 4: Simplify right side
    44,538.72x = 2,655,966,714.72
  5. Step 5: Solve for x
    x = 2,655,966,714.72/44,538.72
  6. Step 6: Final answer
    x = 59,632.76

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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.