Home / 29,081.16-40,135.68-16,503.48

Finding the Fourth Proportional to 29,081.16, 40,135.68 and 16,503.48

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Solution

The fourth proportional to 29,081.16, 40,135.68 and 16,503.48 is: 22,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.16 : 40,135.68 = 16,503.48 : x
  2. Step 2: Convert to fraction form
    29,081.16/40,135.68 = 16,503.48/x
  3. Step 3: Cross multiply
    29,081.16x = 40,135.68 × 16,503.48
  4. Step 4: Simplify right side
    29,081.16x = 662,378,392.17
  5. Step 5: Solve for x
    x = 662,378,392.17/29,081.16
  6. Step 6: Final answer
    x = 22,776.89

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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.