Home / 55,036.42-75,950.56-31,167.74

Finding the Fourth Proportional to 55,036.42, 75,950.56 and 31,167.74

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Solution

The fourth proportional to 55,036.42, 75,950.56 and 31,167.74 is: 43,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.42 : 75,950.56 = 31,167.74 : x
  2. Step 2: Convert to fraction form
    55,036.42/75,950.56 = 31,167.74/x
  3. Step 3: Cross multiply
    55,036.42x = 75,950.56 × 31,167.74
  4. Step 4: Simplify right side
    55,036.42x = 2,367,207,151.10
  5. Step 5: Solve for x
    x = 2,367,207,151.10/55,036.42
  6. Step 6: Final answer
    x = 43,011.65

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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.