Home / 31,966.08-44,132.09-28,419.48

Finding the Fourth Proportional to 31,966.08, 44,132.09 and 28,419.48

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Solution

The fourth proportional to 31,966.08, 44,132.09 and 28,419.48 is: 39,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.08 : 44,132.09 = 28,419.48 : x
  2. Step 2: Convert to fraction form
    31,966.08/44,132.09 = 28,419.48/x
  3. Step 3: Cross multiply
    31,966.08x = 44,132.09 × 28,419.48
  4. Step 4: Simplify right side
    31,966.08x = 1,254,211,049.11
  5. Step 5: Solve for x
    x = 1,254,211,049.11/31,966.08
  6. Step 6: Final answer
    x = 39,235.69

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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.