Home / 29,339.20-40,482.24-16,761.28

Finding the Fourth Proportional to 29,339.20, 40,482.24 and 16,761.28

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Solution

The fourth proportional to 29,339.20, 40,482.24 and 16,761.28 is: 23,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339.20 : 40,482.24 = 16,761.28 : x
  2. Step 2: Convert to fraction form
    29,339.20/40,482.24 = 16,761.28/x
  3. Step 3: Cross multiply
    29,339.20x = 40,482.24 × 16,761.28
  4. Step 4: Simplify right side
    29,339.20x = 678,534,159.67
  5. Step 5: Solve for x
    x = 678,534,159.67/29,339.20
  6. Step 6: Final answer
    x = 23,127.22

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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.