Home / 29,970.43-41,358.63-16,540.90

Finding the Fourth Proportional to 29,970.43, 41,358.63 and 16,540.90

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Solution

The fourth proportional to 29,970.43, 41,358.63 and 16,540.90 is: 22,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.43 : 41,358.63 = 16,540.90 : x
  2. Step 2: Convert to fraction form
    29,970.43/41,358.63 = 16,540.90/x
  3. Step 3: Cross multiply
    29,970.43x = 41,358.63 × 16,540.90
  4. Step 4: Simplify right side
    29,970.43x = 684,108,962.97
  5. Step 5: Solve for x
    x = 684,108,962.97/29,970.43
  6. Step 6: Final answer
    x = 22,826.13

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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.