Home / 40,093.13-55,264.77-31,581.77

Finding the Fourth Proportional to 40,093.13, 55,264.77 and 31,581.77

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Solution

The fourth proportional to 40,093.13, 55,264.77 and 31,581.77 is: 43,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,093.13 : 55,264.77 = 31,581.77 : x
  2. Step 2: Convert to fraction form
    40,093.13/55,264.77 = 31,581.77/x
  3. Step 3: Cross multiply
    40,093.13x = 55,264.77 × 31,581.77
  4. Step 4: Simplify right side
    40,093.13x = 1,745,359,255.24
  5. Step 5: Solve for x
    x = 1,745,359,255.24/40,093.13
  6. Step 6: Final answer
    x = 43,532.63

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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.