Home / 34,717.50-47,909.94-18,801.78

Finding the Fourth Proportional to 34,717.50, 47,909.94 and 18,801.78

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Solution

The fourth proportional to 34,717.50, 47,909.94 and 18,801.78 is: 25,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,717.50 : 47,909.94 = 18,801.78 : x
  2. Step 2: Convert to fraction form
    34,717.50/47,909.94 = 18,801.78/x
  3. Step 3: Cross multiply
    34,717.50x = 47,909.94 × 18,801.78
  4. Step 4: Simplify right side
    34,717.50x = 900,792,151.69
  5. Step 5: Solve for x
    x = 900,792,151.69/34,717.50
  6. Step 6: Final answer
    x = 25,946.34

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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.