Home / 45,643.28-62,984.68-25,770

Finding the Fourth Proportional to 45,643.28, 62,984.68 and 25,770

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Solution

The fourth proportional to 45,643.28, 62,984.68 and 25,770 is: 35,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,643.28 : 62,984.68 = 25,770 : x
  2. Step 2: Convert to fraction form
    45,643.28/62,984.68 = 25,770/x
  3. Step 3: Cross multiply
    45,643.28x = 62,984.68 × 25,770
  4. Step 4: Simplify right side
    45,643.28x = 1,623,115,203.60
  5. Step 5: Solve for x
    x = 1,623,115,203.60/45,643.28
  6. Step 6: Final answer
    x = 35,560.88

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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.