Home / 34,718.39-47,911.41-18,802.85

Finding the Fourth Proportional to 34,718.39, 47,911.41 and 18,802.85

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Solution

The fourth proportional to 34,718.39, 47,911.41 and 18,802.85 is: 25,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.39 : 47,911.41 = 18,802.85 : x
  2. Step 2: Convert to fraction form
    34,718.39/47,911.41 = 18,802.85/x
  3. Step 3: Cross multiply
    34,718.39x = 47,911.41 × 18,802.85
  4. Step 4: Simplify right side
    34,718.39x = 900,871,175.30
  5. Step 5: Solve for x
    x = 900,871,175.30/34,718.39
  6. Step 6: Final answer
    x = 25,947.96

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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.