Home / 38,890.20-58,335.30-34,807.80

Finding the Fourth Proportional to 38,890.20, 58,335.30 and 34,807.80

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Solution

The fourth proportional to 38,890.20, 58,335.30 and 34,807.80 is: 52,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.20 : 58,335.30 = 34,807.80 : x
  2. Step 2: Convert to fraction form
    38,890.20/58,335.30 = 34,807.80/x
  3. Step 3: Cross multiply
    38,890.20x = 58,335.30 × 34,807.80
  4. Step 4: Simplify right side
    38,890.20x = 2,030,523,455.34
  5. Step 5: Solve for x
    x = 2,030,523,455.34/38,890.20
  6. Step 6: Final answer
    x = 52,211.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.