Home / 31,957.92-44,107.68-20,031.60

Finding the Fourth Proportional to 31,957.92, 44,107.68 and 20,031.60

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Solution

The fourth proportional to 31,957.92, 44,107.68 and 20,031.60 is: 27,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,957.92 : 44,107.68 = 20,031.60 : x
  2. Step 2: Convert to fraction form
    31,957.92/44,107.68 = 20,031.60/x
  3. Step 3: Cross multiply
    31,957.92x = 44,107.68 × 20,031.60
  4. Step 4: Simplify right side
    31,957.92x = 883,547,402.69
  5. Step 5: Solve for x
    x = 883,547,402.69/31,957.92
  6. Step 6: Final answer
    x = 27,647.21

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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.