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Finding the Fourth Proportional to 34,397.76, 47,159.76 and 33,775.68

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Solution

The fourth proportional to 34,397.76, 47,159.76 and 33,775.68 is: 46,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,397.76 : 47,159.76 = 33,775.68 : x
  2. Step 2: Convert to fraction form
    34,397.76/47,159.76 = 33,775.68/x
  3. Step 3: Cross multiply
    34,397.76x = 47,159.76 × 33,775.68
  4. Step 4: Simplify right side
    34,397.76x = 1,592,852,962.64
  5. Step 5: Solve for x
    x = 1,592,852,962.64/34,397.76
  6. Step 6: Final answer
    x = 46,306.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.