Home / 34,276.77-47,304.20-20,848.59

Finding the Fourth Proportional to 34,276.77, 47,304.20 and 20,848.59

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Solution

The fourth proportional to 34,276.77, 47,304.20 and 20,848.59 is: 28,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,276.77 : 47,304.20 = 20,848.59 : x
  2. Step 2: Convert to fraction form
    34,276.77/47,304.20 = 20,848.59/x
  3. Step 3: Cross multiply
    34,276.77x = 47,304.20 × 20,848.59
  4. Step 4: Simplify right side
    34,276.77x = 986,225,923.20
  5. Step 5: Solve for x
    x = 986,225,923.20/34,276.77
  6. Step 6: Final answer
    x = 28,772.43

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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.