Home / 40,534.78-55,938.90-25,428.08

Finding the Fourth Proportional to 40,534.78, 55,938.90 and 25,428.08

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Solution

The fourth proportional to 40,534.78, 55,938.90 and 25,428.08 is: 35,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,534.78 : 55,938.90 = 25,428.08 : x
  2. Step 2: Convert to fraction form
    40,534.78/55,938.90 = 25,428.08/x
  3. Step 3: Cross multiply
    40,534.78x = 55,938.90 × 25,428.08
  4. Step 4: Simplify right side
    40,534.78x = 1,422,418,744.86
  5. Step 5: Solve for x
    x = 1,422,418,744.86/40,534.78
  6. Step 6: Final answer
    x = 35,091.32

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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.