Home / 40,073.11-55,305-23,077.99

Finding the Fourth Proportional to 40,073.11, 55,305 and 23,077.99

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Solution

The fourth proportional to 40,073.11, 55,305 and 23,077.99 is: 31,849.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073.11 : 55,305 = 23,077.99 : x
  2. Step 2: Convert to fraction form
    40,073.11/55,305 = 23,077.99/x
  3. Step 3: Cross multiply
    40,073.11x = 55,305 × 23,077.99
  4. Step 4: Simplify right side
    40,073.11x = 1,276,328,236.95
  5. Step 5: Solve for x
    x = 1,276,328,236.95/40,073.11
  6. Step 6: Final answer
    x = 31,849.99

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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.