Home / 55,711.92-76,877.46-31,838.52

Finding the Fourth Proportional to 55,711.92, 76,877.46 and 31,838.52

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Solution

The fourth proportional to 55,711.92, 76,877.46 and 31,838.52 is: 43,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,711.92 : 76,877.46 = 31,838.52 : x
  2. Step 2: Convert to fraction form
    55,711.92/76,877.46 = 31,838.52/x
  3. Step 3: Cross multiply
    55,711.92x = 76,877.46 × 31,838.52
  4. Step 4: Simplify right side
    55,711.92x = 2,447,664,547.76
  5. Step 5: Solve for x
    x = 2,447,664,547.76/55,711.92
  6. Step 6: Final answer
    x = 43,934.31

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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.