Home / 51,568.27-71,142.93-31,417.78

Finding the Fourth Proportional to 51,568.27, 71,142.93 and 31,417.78

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Solution

The fourth proportional to 51,568.27, 71,142.93 and 31,417.78 is: 43,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,568.27 : 71,142.93 = 31,417.78 : x
  2. Step 2: Convert to fraction form
    51,568.27/71,142.93 = 31,417.78/x
  3. Step 3: Cross multiply
    51,568.27x = 71,142.93 × 31,417.78
  4. Step 4: Simplify right side
    51,568.27x = 2,235,152,923.30
  5. Step 5: Solve for x
    x = 2,235,152,923.30/51,568.27
  6. Step 6: Final answer
    x = 43,343.57

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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.