Home / 43,022.61-59,391.27-28,706.31

Finding the Fourth Proportional to 43,022.61, 59,391.27 and 28,706.31

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Solution

The fourth proportional to 43,022.61, 59,391.27 and 28,706.31 is: 39,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,022.61 : 59,391.27 = 28,706.31 : x
  2. Step 2: Convert to fraction form
    43,022.61/59,391.27 = 28,706.31/x
  3. Step 3: Cross multiply
    43,022.61x = 59,391.27 × 28,706.31
  4. Step 4: Simplify right side
    43,022.61x = 1,704,904,207.91
  5. Step 5: Solve for x
    x = 1,704,904,207.91/43,022.61
  6. Step 6: Final answer
    x = 39,628.10

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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.