Home / 34,763.10-47,971.78-18,847.20

Finding the Fourth Proportional to 34,763.10, 47,971.78 and 18,847.20

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Solution

The fourth proportional to 34,763.10, 47,971.78 and 18,847.20 is: 26,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763.10 : 47,971.78 = 18,847.20 : x
  2. Step 2: Convert to fraction form
    34,763.10/47,971.78 = 18,847.20/x
  3. Step 3: Cross multiply
    34,763.10x = 47,971.78 × 18,847.20
  4. Step 4: Simplify right side
    34,763.10x = 904,133,732.02
  5. Step 5: Solve for x
    x = 904,133,732.02/34,763.10
  6. Step 6: Final answer
    x = 26,008.43

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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.