Home / 42,686.34-64,013.10-29,498.73

Finding the Fourth Proportional to 42,686.34, 64,013.10 and 29,498.73

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Solution

The fourth proportional to 42,686.34, 64,013.10 and 29,498.73 is: 44,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,686.34 : 64,013.10 = 29,498.73 : x
  2. Step 2: Convert to fraction form
    42,686.34/64,013.10 = 29,498.73/x
  3. Step 3: Cross multiply
    42,686.34x = 64,013.10 × 29,498.73
  4. Step 4: Simplify right side
    42,686.34x = 1,888,305,153.36
  5. Step 5: Solve for x
    x = 1,888,305,153.36/42,686.34
  6. Step 6: Final answer
    x = 44,236.75

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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.