Home / 34,718.50-47,911.45-18,802.90

Finding the Fourth Proportional to 34,718.50, 47,911.45 and 18,802.90

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Solution

The fourth proportional to 34,718.50, 47,911.45 and 18,802.90 is: 25,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.50 : 47,911.45 = 18,802.90 : x
  2. Step 2: Convert to fraction form
    34,718.50/47,911.45 = 18,802.90/x
  3. Step 3: Cross multiply
    34,718.50x = 47,911.45 × 18,802.90
  4. Step 4: Simplify right side
    34,718.50x = 900,873,963.65
  5. Step 5: Solve for x
    x = 900,873,963.65/34,718.50
  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.