Home / 45,146.06-67,444.55-29,221.36

Finding the Fourth Proportional to 45,146.06, 67,444.55 and 29,221.36

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Solution

The fourth proportional to 45,146.06, 67,444.55 and 29,221.36 is: 43,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,146.06 : 67,444.55 = 29,221.36 : x
  2. Step 2: Convert to fraction form
    45,146.06/67,444.55 = 29,221.36/x
  3. Step 3: Cross multiply
    45,146.06x = 67,444.55 × 29,221.36
  4. Step 4: Simplify right side
    45,146.06x = 1,970,821,270.45
  5. Step 5: Solve for x
    x = 1,970,821,270.45/45,146.06
  6. Step 6: Final answer
    x = 43,654.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.