Home / 31,966.24-44,132.31-28,419.64

Finding the Fourth Proportional to 31,966.24, 44,132.31 and 28,419.64

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Solution

The fourth proportional to 31,966.24, 44,132.31 and 28,419.64 is: 39,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.24 : 44,132.31 = 28,419.64 : x
  2. Step 2: Convert to fraction form
    31,966.24/44,132.31 = 28,419.64/x
  3. Step 3: Cross multiply
    31,966.24x = 44,132.31 × 28,419.64
  4. Step 4: Simplify right side
    31,966.24x = 1,254,223,999.81
  5. Step 5: Solve for x
    x = 1,254,223,999.81/31,966.24
  6. Step 6: Final answer
    x = 39,235.90

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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.