Home / 55,841.40-77,043.76-31,963.61

Finding the Fourth Proportional to 55,841.40, 77,043.76 and 31,963.61

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Solution

The fourth proportional to 55,841.40, 77,043.76 and 31,963.61 is: 44,099.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,841.40 : 77,043.76 = 31,963.61 : x
  2. Step 2: Convert to fraction form
    55,841.40/77,043.76 = 31,963.61/x
  3. Step 3: Cross multiply
    55,841.40x = 77,043.76 × 31,963.61
  4. Step 4: Simplify right side
    55,841.40x = 2,462,596,810.27
  5. Step 5: Solve for x
    x = 2,462,596,810.27/55,841.40
  6. Step 6: Final answer
    x = 44,099.84

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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.