Home / 55,239.32-82,802.24-31,498.32

Finding the Fourth Proportional to 55,239.32, 82,802.24 and 31,498.32

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Solution

The fourth proportional to 55,239.32, 82,802.24 and 31,498.32 is: 47,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,239.32 : 82,802.24 = 31,498.32 : x
  2. Step 2: Convert to fraction form
    55,239.32/82,802.24 = 31,498.32/x
  3. Step 3: Cross multiply
    55,239.32x = 82,802.24 × 31,498.32
  4. Step 4: Simplify right side
    55,239.32x = 2,608,131,452.24
  5. Step 5: Solve for x
    x = 2,608,131,452.24/55,239.32
  6. Step 6: Final answer
    x = 47,215.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.