Home / 40,357.19-55,720.35-25,255.95

Finding the Fourth Proportional to 40,357.19, 55,720.35 and 25,255.95

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Solution

The fourth proportional to 40,357.19, 55,720.35 and 25,255.95 is: 34,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357.19 : 55,720.35 = 25,255.95 : x
  2. Step 2: Convert to fraction form
    40,357.19/55,720.35 = 25,255.95/x
  3. Step 3: Cross multiply
    40,357.19x = 55,720.35 × 25,255.95
  4. Step 4: Simplify right side
    40,357.19x = 1,407,270,373.58
  5. Step 5: Solve for x
    x = 1,407,270,373.58/40,357.19
  6. Step 6: Final answer
    x = 34,870.38

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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.