Home / 39,042.33-58,577.06-28,378.68

Finding the Fourth Proportional to 39,042.33, 58,577.06 and 28,378.68

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Solution

The fourth proportional to 39,042.33, 58,577.06 and 28,378.68 is: 42,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042.33 : 58,577.06 = 28,378.68 : x
  2. Step 2: Convert to fraction form
    39,042.33/58,577.06 = 28,378.68/x
  3. Step 3: Cross multiply
    39,042.33x = 58,577.06 × 28,378.68
  4. Step 4: Simplify right side
    39,042.33x = 1,662,339,641.08
  5. Step 5: Solve for x
    x = 1,662,339,641.08/39,042.33
  6. Step 6: Final answer
    x = 42,577.88

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1.5x scale

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.