Home / 40,454.51-60,672.05-20,722.91

Finding the Fourth Proportional to 40,454.51, 60,672.05 and 20,722.91

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Solution

The fourth proportional to 40,454.51, 60,672.05 and 20,722.91 is: 31,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,454.51 : 60,672.05 = 20,722.91 : x
  2. Step 2: Convert to fraction form
    40,454.51/60,672.05 = 20,722.91/x
  3. Step 3: Cross multiply
    40,454.51x = 60,672.05 × 20,722.91
  4. Step 4: Simplify right side
    40,454.51x = 1,257,301,479.73
  5. Step 5: Solve for x
    x = 1,257,301,479.73/40,454.51
  6. Step 6: Final answer
    x = 31,079.39

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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.