Home / 29,088.88-40,138.28-16,339.62

Finding the Fourth Proportional to 29,088.88, 40,138.28 and 16,339.62

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Solution

The fourth proportional to 29,088.88, 40,138.28 and 16,339.62 is: 22,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088.88 : 40,138.28 = 16,339.62 : x
  2. Step 2: Convert to fraction form
    29,088.88/40,138.28 = 16,339.62/x
  3. Step 3: Cross multiply
    29,088.88x = 40,138.28 × 16,339.62
  4. Step 4: Simplify right side
    29,088.88x = 655,844,242.65
  5. Step 5: Solve for x
    x = 655,844,242.65/29,088.88
  6. Step 6: Final answer
    x = 22,546.22

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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.