Home / 38,993.85-53,818.13-22,002.91

Finding the Fourth Proportional to 38,993.85, 53,818.13 and 22,002.91

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Solution

The fourth proportional to 38,993.85, 53,818.13 and 22,002.91 is: 30,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993.85 : 53,818.13 = 22,002.91 : x
  2. Step 2: Convert to fraction form
    38,993.85/53,818.13 = 22,002.91/x
  3. Step 3: Cross multiply
    38,993.85x = 53,818.13 × 22,002.91
  4. Step 4: Simplify right side
    38,993.85x = 1,184,155,329.34
  5. Step 5: Solve for x
    x = 1,184,155,329.34/38,993.85
  6. Step 6: Final answer
    x = 30,367.75

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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.