Home / 40,151.98-55,417.46-23,167.20

Finding the Fourth Proportional to 40,151.98, 55,417.46 and 23,167.20

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Solution

The fourth proportional to 40,151.98, 55,417.46 and 23,167.20 is: 31,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.98 : 55,417.46 = 23,167.20 : x
  2. Step 2: Convert to fraction form
    40,151.98/55,417.46 = 23,167.20/x
  3. Step 3: Cross multiply
    40,151.98x = 55,417.46 × 23,167.20
  4. Step 4: Simplify right side
    40,151.98x = 1,283,867,379.31
  5. Step 5: Solve for x
    x = 1,283,867,379.31/40,151.98
  6. Step 6: Final answer
    x = 31,975.19

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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.