Home / 42,190.88-58,210.26-28,046.12

Finding the Fourth Proportional to 42,190.88, 58,210.26 and 28,046.12

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Solution

The fourth proportional to 42,190.88, 58,210.26 and 28,046.12 is: 38,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190.88 : 58,210.26 = 28,046.12 : x
  2. Step 2: Convert to fraction form
    42,190.88/58,210.26 = 28,046.12/x
  3. Step 3: Cross multiply
    42,190.88x = 58,210.26 × 28,046.12
  4. Step 4: Simplify right side
    42,190.88x = 1,632,571,937.19
  5. Step 5: Solve for x
    x = 1,632,571,937.19/42,190.88
  6. Step 6: Final answer
    x = 38,694.90

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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.