Home / 42,801.26-59,073.84-28,678.64

Finding the Fourth Proportional to 42,801.26, 59,073.84 and 28,678.64

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Solution

The fourth proportional to 42,801.26, 59,073.84 and 28,678.64 is: 39,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,801.26 : 59,073.84 = 28,678.64 : x
  2. Step 2: Convert to fraction form
    42,801.26/59,073.84 = 28,678.64/x
  3. Step 3: Cross multiply
    42,801.26x = 59,073.84 × 28,678.64
  4. Step 4: Simplify right side
    42,801.26x = 1,694,157,095.41
  5. Step 5: Solve for x
    x = 1,694,157,095.41/42,801.26
  6. Step 6: Final answer
    x = 39,581.95

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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.