Home / 51,823.18-71,515.15-29,162.16

Finding the Fourth Proportional to 51,823.18, 71,515.15 and 29,162.16

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Solution

The fourth proportional to 51,823.18, 71,515.15 and 29,162.16 is: 40,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,823.18 : 71,515.15 = 29,162.16 : x
  2. Step 2: Convert to fraction form
    51,823.18/71,515.15 = 29,162.16/x
  3. Step 3: Cross multiply
    51,823.18x = 71,515.15 × 29,162.16
  4. Step 4: Simplify right side
    51,823.18x = 2,085,535,923.86
  5. Step 5: Solve for x
    x = 2,085,535,923.86/51,823.18
  6. Step 6: Final answer
    x = 40,243.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.