Home / 42,243.10-58,319.75-31,546.95

Finding the Fourth Proportional to 42,243.10, 58,319.75 and 31,546.95

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Solution

The fourth proportional to 42,243.10, 58,319.75 and 31,546.95 is: 43,552.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,243.10 : 58,319.75 = 31,546.95 : x
  2. Step 2: Convert to fraction form
    42,243.10/58,319.75 = 31,546.95/x
  3. Step 3: Cross multiply
    42,243.10x = 58,319.75 × 31,546.95
  4. Step 4: Simplify right side
    42,243.10x = 1,839,810,237.26
  5. Step 5: Solve for x
    x = 1,839,810,237.26/42,243.10
  6. Step 6: Final answer
    x = 43,552.92

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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.