Home / 38,280.97-57,422.73-13,323.10

Finding the Fourth Proportional to 38,280.97, 57,422.73 and 13,323.10

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Solution

The fourth proportional to 38,280.97, 57,422.73 and 13,323.10 is: 19,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.97 : 57,422.73 = 13,323.10 : x
  2. Step 2: Convert to fraction form
    38,280.97/57,422.73 = 13,323.10/x
  3. Step 3: Cross multiply
    38,280.97x = 57,422.73 × 13,323.10
  4. Step 4: Simplify right side
    38,280.97x = 765,048,774.06
  5. Step 5: Solve for x
    x = 765,048,774.06/38,280.97
  6. Step 6: Final answer
    x = 19,985.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.