Home / 39,977.40-55,171.49-22,987.25

Finding the Fourth Proportional to 39,977.40, 55,171.49 and 22,987.25

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Solution

The fourth proportional to 39,977.40, 55,171.49 and 22,987.25 is: 31,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.40 : 55,171.49 = 22,987.25 : x
  2. Step 2: Convert to fraction form
    39,977.40/55,171.49 = 22,987.25/x
  3. Step 3: Cross multiply
    39,977.40x = 55,171.49 × 22,987.25
  4. Step 4: Simplify right side
    39,977.40x = 1,268,240,442.71
  5. Step 5: Solve for x
    x = 1,268,240,442.71/39,977.40
  6. Step 6: Final answer
    x = 31,723.94

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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.