Home / 39,867.63-55,013.55-22,873.28

Finding the Fourth Proportional to 39,867.63, 55,013.55 and 22,873.28

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Solution

The fourth proportional to 39,867.63, 55,013.55 and 22,873.28 is: 31,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.63 : 55,013.55 = 22,873.28 : x
  2. Step 2: Convert to fraction form
    39,867.63/55,013.55 = 22,873.28/x
  3. Step 3: Cross multiply
    39,867.63x = 55,013.55 × 22,873.28
  4. Step 4: Simplify right side
    39,867.63x = 1,258,339,943.51
  5. Step 5: Solve for x
    x = 1,258,339,943.51/39,867.63
  6. Step 6: Final answer
    x = 31,562.95

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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.