Home / 45,287.23-67,930.80-29,701.21

Finding the Fourth Proportional to 45,287.23, 67,930.80 and 29,701.21

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Solution

The fourth proportional to 45,287.23, 67,930.80 and 29,701.21 is: 44,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287.23 : 67,930.80 = 29,701.21 : x
  2. Step 2: Convert to fraction form
    45,287.23/67,930.80 = 29,701.21/x
  3. Step 3: Cross multiply
    45,287.23x = 67,930.80 × 29,701.21
  4. Step 4: Simplify right side
    45,287.23x = 2,017,626,956.27
  5. Step 5: Solve for x
    x = 2,017,626,956.27/45,287.23
  6. Step 6: Final answer
    x = 44,551.79

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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.