Home / 55,040.92-75,956.76-31,172.24

Finding the Fourth Proportional to 55,040.92, 75,956.76 and 31,172.24

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Solution

The fourth proportional to 55,040.92, 75,956.76 and 31,172.24 is: 43,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,040.92 : 75,956.76 = 31,172.24 : x
  2. Step 2: Convert to fraction form
    55,040.92/75,956.76 = 31,172.24/x
  3. Step 3: Cross multiply
    55,040.92x = 75,956.76 × 31,172.24
  4. Step 4: Simplify right side
    55,040.92x = 2,367,742,352.34
  5. Step 5: Solve for x
    x = 2,367,742,352.34/55,040.92
  6. Step 6: Final answer
    x = 43,017.86

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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.