Home / 31,100.95-42,928.75-29,514.16

Finding the Fourth Proportional to 31,100.95, 42,928.75 and 29,514.16

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Solution

The fourth proportional to 31,100.95, 42,928.75 and 29,514.16 is: 40,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100.95 : 42,928.75 = 29,514.16 : x
  2. Step 2: Convert to fraction form
    31,100.95/42,928.75 = 29,514.16/x
  3. Step 3: Cross multiply
    31,100.95x = 42,928.75 × 29,514.16
  4. Step 4: Simplify right side
    31,100.95x = 1,267,005,996.10
  5. Step 5: Solve for x
    x = 1,267,005,996.10/31,100.95
  6. Step 6: Final answer
    x = 40,738.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.