Home / 55,479.57-76,557.66-31,601.58

Finding the Fourth Proportional to 55,479.57, 76,557.66 and 31,601.58

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Solution

The fourth proportional to 55,479.57, 76,557.66 and 31,601.58 is: 43,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,479.57 : 76,557.66 = 31,601.58 : x
  2. Step 2: Convert to fraction form
    55,479.57/76,557.66 = 31,601.58/x
  3. Step 3: Cross multiply
    55,479.57x = 76,557.66 × 31,601.58
  4. Step 4: Simplify right side
    55,479.57x = 2,419,343,017.10
  5. Step 5: Solve for x
    x = 2,419,343,017.10/55,479.57
  6. Step 6: Final answer
    x = 43,607.82

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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.