Home / 43,128.80-59,545.08-29,539.64

Finding the Fourth Proportional to 43,128.80, 59,545.08 and 29,539.64

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Solution

The fourth proportional to 43,128.80, 59,545.08 and 29,539.64 is: 40,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128.80 : 59,545.08 = 29,539.64 : x
  2. Step 2: Convert to fraction form
    43,128.80/59,545.08 = 29,539.64/x
  3. Step 3: Cross multiply
    43,128.80x = 59,545.08 × 29,539.64
  4. Step 4: Simplify right side
    43,128.80x = 1,758,940,226.97
  5. Step 5: Solve for x
    x = 1,758,940,226.97/43,128.80
  6. Step 6: Final answer
    x = 40,783.43

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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.