Home / 34,718.65-47,911.17-18,802.96

Finding the Fourth Proportional to 34,718.65, 47,911.17 and 18,802.96

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Solution

The fourth proportional to 34,718.65, 47,911.17 and 18,802.96 is: 25,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.65 : 47,911.17 = 18,802.96 : x
  2. Step 2: Convert to fraction form
    34,718.65/47,911.17 = 18,802.96/x
  3. Step 3: Cross multiply
    34,718.65x = 47,911.17 × 18,802.96
  4. Step 4: Simplify right side
    34,718.65x = 900,871,813.06
  5. Step 5: Solve for x
    x = 900,871,813.06/34,718.65
  6. Step 6: Final answer
    x = 25,947.78

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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.