Home / 55,651.08-76,900.33-40,517.47

Finding the Fourth Proportional to 55,651.08, 76,900.33 and 40,517.47

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Solution

The fourth proportional to 55,651.08, 76,900.33 and 40,517.47 is: 55,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.08 : 76,900.33 = 40,517.47 : x
  2. Step 2: Convert to fraction form
    55,651.08/76,900.33 = 40,517.47/x
  3. Step 3: Cross multiply
    55,651.08x = 76,900.33 × 40,517.47
  4. Step 4: Simplify right side
    55,651.08x = 3,115,806,712.47
  5. Step 5: Solve for x
    x = 3,115,806,712.47/55,651.08
  6. Step 6: Final answer
    x = 55,988.26

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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.