Home / 42,574.24-58,721.25-28,208.08

Finding the Fourth Proportional to 42,574.24, 58,721.25 and 28,208.08

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Solution

The fourth proportional to 42,574.24, 58,721.25 and 28,208.08 is: 38,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,574.24 : 58,721.25 = 28,208.08 : x
  2. Step 2: Convert to fraction form
    42,574.24/58,721.25 = 28,208.08/x
  3. Step 3: Cross multiply
    42,574.24x = 58,721.25 × 28,208.08
  4. Step 4: Simplify right side
    42,574.24x = 1,656,413,717.70
  5. Step 5: Solve for x
    x = 1,656,413,717.70/42,574.24
  6. Step 6: Final answer
    x = 38,906.48

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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.