Home / 45,070.33-67,574.36-19,757.71

Finding the Fourth Proportional to 45,070.33, 67,574.36 and 19,757.71

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Solution

The fourth proportional to 45,070.33, 67,574.36 and 19,757.71 is: 29,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.33 : 67,574.36 = 19,757.71 : x
  2. Step 2: Convert to fraction form
    45,070.33/67,574.36 = 19,757.71/x
  3. Step 3: Cross multiply
    45,070.33x = 67,574.36 × 19,757.71
  4. Step 4: Simplify right side
    45,070.33x = 1,335,114,306.50
  5. Step 5: Solve for x
    x = 1,335,114,306.50/45,070.33
  6. Step 6: Final answer
    x = 29,622.91

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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.