Home / 34,773.20-47,987.04-18,857.60

Finding the Fourth Proportional to 34,773.20, 47,987.04 and 18,857.60

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Solution

The fourth proportional to 34,773.20, 47,987.04 and 18,857.60 is: 26,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,773.20 : 47,987.04 = 18,857.60 : x
  2. Step 2: Convert to fraction form
    34,773.20/47,987.04 = 18,857.60/x
  3. Step 3: Cross multiply
    34,773.20x = 47,987.04 × 18,857.60
  4. Step 4: Simplify right side
    34,773.20x = 904,920,405.50
  5. Step 5: Solve for x
    x = 904,920,405.50/34,773.20
  6. Step 6: Final answer
    x = 26,023.50

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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.