Home / 55,486.26-76,562.10-31,613.40

Finding the Fourth Proportional to 55,486.26, 76,562.10 and 31,613.40

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Solution

The fourth proportional to 55,486.26, 76,562.10 and 31,613.40 is: 43,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.26 : 76,562.10 = 31,613.40 : x
  2. Step 2: Convert to fraction form
    55,486.26/76,562.10 = 31,613.40/x
  3. Step 3: Cross multiply
    55,486.26x = 76,562.10 × 31,613.40
  4. Step 4: Simplify right side
    55,486.26x = 2,420,388,292.14
  5. Step 5: Solve for x
    x = 2,420,388,292.14/55,486.26
  6. Step 6: Final answer
    x = 43,621.40

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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.