Home / 39,865.34-55,014.45-22,870.33

Finding the Fourth Proportional to 39,865.34, 55,014.45 and 22,870.33

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Solution

The fourth proportional to 39,865.34, 55,014.45 and 22,870.33 is: 31,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.34 : 55,014.45 = 22,870.33 : x
  2. Step 2: Convert to fraction form
    39,865.34/55,014.45 = 22,870.33/x
  3. Step 3: Cross multiply
    39,865.34x = 55,014.45 × 22,870.33
  4. Step 4: Simplify right side
    39,865.34x = 1,258,198,626.27
  5. Step 5: Solve for x
    x = 1,258,198,626.27/39,865.34
  6. Step 6: Final answer
    x = 31,561.22

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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.