Home / 34,737.28-47,937.56-18,821.68

Finding the Fourth Proportional to 34,737.28, 47,937.56 and 18,821.68

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Solution

The fourth proportional to 34,737.28, 47,937.56 and 18,821.68 is: 25,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,737.28 : 47,937.56 = 18,821.68 : x
  2. Step 2: Convert to fraction form
    34,737.28/47,937.56 = 18,821.68/x
  3. Step 3: Cross multiply
    34,737.28x = 47,937.56 × 18,821.68
  4. Step 4: Simplify right side
    34,737.28x = 902,265,200.35
  5. Step 5: Solve for x
    x = 902,265,200.35/34,737.28
  6. Step 6: Final answer
    x = 25,973.98

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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.