Home / 40,505.81-55,895.34-25,397.82

Finding the Fourth Proportional to 40,505.81, 55,895.34 and 25,397.82

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Solution

The fourth proportional to 40,505.81, 55,895.34 and 25,397.82 is: 35,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505.81 : 55,895.34 = 25,397.82 : x
  2. Step 2: Convert to fraction form
    40,505.81/55,895.34 = 25,397.82/x
  3. Step 3: Cross multiply
    40,505.81x = 55,895.34 × 25,397.82
  4. Step 4: Simplify right side
    40,505.81x = 1,419,619,784.16
  5. Step 5: Solve for x
    x = 1,419,619,784.16/40,505.81
  6. Step 6: Final answer
    x = 35,047.32

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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.