Home / 55,186.57-76,159.25-31,314.25

Finding the Fourth Proportional to 55,186.57, 76,159.25 and 31,314.25

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Solution

The fourth proportional to 55,186.57, 76,159.25 and 31,314.25 is: 43,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.57 : 76,159.25 = 31,314.25 : x
  2. Step 2: Convert to fraction form
    55,186.57/76,159.25 = 31,314.25/x
  3. Step 3: Cross multiply
    55,186.57x = 76,159.25 × 31,314.25
  4. Step 4: Simplify right side
    55,186.57x = 2,384,869,794.31
  5. Step 5: Solve for x
    x = 2,384,869,794.31/55,186.57
  6. Step 6: Final answer
    x = 43,214.68

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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.