Home / 30,337.79-41,867.57-16,909.13

Finding the Fourth Proportional to 30,337.79, 41,867.57 and 16,909.13

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Solution

The fourth proportional to 30,337.79, 41,867.57 and 16,909.13 is: 23,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.79 : 41,867.57 = 16,909.13 : x
  2. Step 2: Convert to fraction form
    30,337.79/41,867.57 = 16,909.13/x
  3. Step 3: Cross multiply
    30,337.79x = 41,867.57 × 16,909.13
  4. Step 4: Simplify right side
    30,337.79x = 707,943,890.03
  5. Step 5: Solve for x
    x = 707,943,890.03/30,337.79
  6. Step 6: Final answer
    x = 23,335.38

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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.