Home / 34,718.88-47,909.04-20,569.44

Finding the Fourth Proportional to 34,718.88, 47,909.04 and 20,569.44

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Solution

The fourth proportional to 34,718.88, 47,909.04 and 20,569.44 is: 28,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.88 : 47,909.04 = 20,569.44 : x
  2. Step 2: Convert to fraction form
    34,718.88/47,909.04 = 20,569.44/x
  3. Step 3: Cross multiply
    34,718.88x = 47,909.04 × 20,569.44
  4. Step 4: Simplify right side
    34,718.88x = 985,462,123.74
  5. Step 5: Solve for x
    x = 985,462,123.74/34,718.88
  6. Step 6: Final answer
    x = 28,384.04

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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.