Home / 55,273.64-76,279.66-31,404.35

Finding the Fourth Proportional to 55,273.64, 76,279.66 and 31,404.35

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Solution

The fourth proportional to 55,273.64, 76,279.66 and 31,404.35 is: 43,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.64 : 76,279.66 = 31,404.35 : x
  2. Step 2: Convert to fraction form
    55,273.64/76,279.66 = 31,404.35/x
  3. Step 3: Cross multiply
    55,273.64x = 76,279.66 × 31,404.35
  4. Step 4: Simplify right side
    55,273.64x = 2,395,513,252.71
  5. Step 5: Solve for x
    x = 2,395,513,252.71/55,273.64
  6. Step 6: Final answer
    x = 43,339.17

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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.