Home / 39,864.71-55,015.67-22,868.84

Finding the Fourth Proportional to 39,864.71, 55,015.67 and 22,868.84

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Solution

The fourth proportional to 39,864.71, 55,015.67 and 22,868.84 is: 31,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864.71 : 55,015.67 = 22,868.84 : x
  2. Step 2: Convert to fraction form
    39,864.71/55,015.67 = 22,868.84/x
  3. Step 3: Cross multiply
    39,864.71x = 55,015.67 × 22,868.84
  4. Step 4: Simplify right side
    39,864.71x = 1,258,144,554.72
  5. Step 5: Solve for x
    x = 1,258,144,554.72/39,864.71
  6. Step 6: Final answer
    x = 31,560.36

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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.