Home / 34,255.53-47,259.61-21,503.50

Finding the Fourth Proportional to 34,255.53, 47,259.61 and 21,503.50

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Solution

The fourth proportional to 34,255.53, 47,259.61 and 21,503.50 is: 29,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,255.53 : 47,259.61 = 21,503.50 : x
  2. Step 2: Convert to fraction form
    34,255.53/47,259.61 = 21,503.50/x
  3. Step 3: Cross multiply
    34,255.53x = 47,259.61 × 21,503.50
  4. Step 4: Simplify right side
    34,255.53x = 1,016,246,851.73
  5. Step 5: Solve for x
    x = 1,016,246,851.73/34,255.53
  6. Step 6: Final answer
    x = 29,666.65

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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.