Home / 45,642.40-62,980.28-25,496.79

Finding the Fourth Proportional to 45,642.40, 62,980.28 and 25,496.79

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Solution

The fourth proportional to 45,642.40, 62,980.28 and 25,496.79 is: 35,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,642.40 : 62,980.28 = 25,496.79 : x
  2. Step 2: Convert to fraction form
    45,642.40/62,980.28 = 25,496.79/x
  3. Step 3: Cross multiply
    45,642.40x = 62,980.28 × 25,496.79
  4. Step 4: Simplify right side
    45,642.40x = 1,605,794,973.30
  5. Step 5: Solve for x
    x = 1,605,794,973.30/45,642.40
  6. Step 6: Final answer
    x = 35,182.09

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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.