Home / 40,106.51-55,372.08-25,772.12

Finding the Fourth Proportional to 40,106.51, 55,372.08 and 25,772.12

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Solution

The fourth proportional to 40,106.51, 55,372.08 and 25,772.12 is: 35,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106.51 : 55,372.08 = 25,772.12 : x
  2. Step 2: Convert to fraction form
    40,106.51/55,372.08 = 25,772.12/x
  3. Step 3: Cross multiply
    40,106.51x = 55,372.08 × 25,772.12
  4. Step 4: Simplify right side
    40,106.51x = 1,427,055,613.55
  5. Step 5: Solve for x
    x = 1,427,055,613.55/40,106.51
  6. Step 6: Final answer
    x = 35,581.65

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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.