Home / 55,259.64-76,255.92-31,386.24

Finding the Fourth Proportional to 55,259.64, 76,255.92 and 31,386.24

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Solution

The fourth proportional to 55,259.64, 76,255.92 and 31,386.24 is: 43,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,259.64 : 76,255.92 = 31,386.24 : x
  2. Step 2: Convert to fraction form
    55,259.64/76,255.92 = 31,386.24/x
  3. Step 3: Cross multiply
    55,259.64x = 76,255.92 × 31,386.24
  4. Step 4: Simplify right side
    55,259.64x = 2,393,386,606.54
  5. Step 5: Solve for x
    x = 2,393,386,606.54/55,259.64
  6. Step 6: Final answer
    x = 43,311.66

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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.