Home / 55,036.79-75,951.07-31,168.12

Finding the Fourth Proportional to 55,036.79, 75,951.07 and 31,168.12

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Solution

The fourth proportional to 55,036.79, 75,951.07 and 31,168.12 is: 43,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.79 : 75,951.07 = 31,168.12 : x
  2. Step 2: Convert to fraction form
    55,036.79/75,951.07 = 31,168.12/x
  3. Step 3: Cross multiply
    55,036.79x = 75,951.07 × 31,168.12
  4. Step 4: Simplify right side
    55,036.79x = 2,367,252,063.89
  5. Step 5: Solve for x
    x = 2,367,252,063.89/55,036.79
  6. Step 6: Final answer
    x = 43,012.18

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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.