Home / 38,604.48-53,275.20-21,834.24

Finding the Fourth Proportional to 38,604.48, 53,275.20 and 21,834.24

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Solution

The fourth proportional to 38,604.48, 53,275.20 and 21,834.24 is: 30,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604.48 : 53,275.20 = 21,834.24 : x
  2. Step 2: Convert to fraction form
    38,604.48/53,275.20 = 21,834.24/x
  3. Step 3: Cross multiply
    38,604.48x = 53,275.20 × 21,834.24
  4. Step 4: Simplify right side
    38,604.48x = 1,163,223,502.85
  5. Step 5: Solve for x
    x = 1,163,223,502.85/38,604.48
  6. Step 6: Final answer
    x = 30,131.83

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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.