Home / 39,934.80-55,109.34-22,031.52

Finding the Fourth Proportional to 39,934.80, 55,109.34 and 22,031.52

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Solution

The fourth proportional to 39,934.80, 55,109.34 and 22,031.52 is: 30,403.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.80 : 55,109.34 = 22,031.52 : x
  2. Step 2: Convert to fraction form
    39,934.80/55,109.34 = 22,031.52/x
  3. Step 3: Cross multiply
    39,934.80x = 55,109.34 × 22,031.52
  4. Step 4: Simplify right side
    39,934.80x = 1,214,142,526.40
  5. Step 5: Solve for x
    x = 1,214,142,526.40/39,934.80
  6. Step 6: Final answer
    x = 30,403.12

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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.