Home / 29,664.80-44,468.40-12,111.20

Finding the Fourth Proportional to 29,664.80, 44,468.40 and 12,111.20

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Solution

The fourth proportional to 29,664.80, 44,468.40 and 12,111.20 is: 18,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,664.80 : 44,468.40 = 12,111.20 : x
  2. Step 2: Convert to fraction form
    29,664.80/44,468.40 = 12,111.20/x
  3. Step 3: Cross multiply
    29,664.80x = 44,468.40 × 12,111.20
  4. Step 4: Simplify right side
    29,664.80x = 538,565,686.08
  5. Step 5: Solve for x
    x = 538,565,686.08/29,664.80
  6. Step 6: Final answer
    x = 18,155.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.