Home / 55,118.79-76,062.54-31,245.47

Finding the Fourth Proportional to 55,118.79, 76,062.54 and 31,245.47

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Solution

The fourth proportional to 55,118.79, 76,062.54 and 31,245.47 is: 43,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.79 : 76,062.54 = 31,245.47 : x
  2. Step 2: Convert to fraction form
    55,118.79/76,062.54 = 31,245.47/x
  3. Step 3: Cross multiply
    55,118.79x = 76,062.54 × 31,245.47
  4. Step 4: Simplify right side
    55,118.79x = 2,376,609,431.38
  5. Step 5: Solve for x
    x = 2,376,609,431.38/55,118.79
  6. Step 6: Final answer
    x = 43,117.95

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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.