Home / 40,478.26-60,707.59-20,746.66

Finding the Fourth Proportional to 40,478.26, 60,707.59 and 20,746.66

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Solution

The fourth proportional to 40,478.26, 60,707.59 and 20,746.66 is: 31,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.26 : 60,707.59 = 20,746.66 : x
  2. Step 2: Convert to fraction form
    40,478.26/60,707.59 = 20,746.66/x
  3. Step 3: Cross multiply
    40,478.26x = 60,707.59 × 20,746.66
  4. Step 4: Simplify right side
    40,478.26x = 1,259,479,729.15
  5. Step 5: Solve for x
    x = 1,259,479,729.15/40,478.26
  6. Step 6: Final answer
    x = 31,114.97

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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.