Home / 29,508.63-40,720.88-16,079.61

Finding the Fourth Proportional to 29,508.63, 40,720.88 and 16,079.61

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Solution

The fourth proportional to 29,508.63, 40,720.88 and 16,079.61 is: 22,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,508.63 : 40,720.88 = 16,079.61 : x
  2. Step 2: Convert to fraction form
    29,508.63/40,720.88 = 16,079.61/x
  3. Step 3: Cross multiply
    29,508.63x = 40,720.88 × 16,079.61
  4. Step 4: Simplify right side
    29,508.63x = 654,775,971.71
  5. Step 5: Solve for x
    x = 654,775,971.71/29,508.63
  6. Step 6: Final answer
    x = 22,189.31

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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.