Home / 34,620.55-47,776.38-18,705.00

Finding the Fourth Proportional to 34,620.55, 47,776.38 and 18,705.00

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Solution

The fourth proportional to 34,620.55, 47,776.38 and 18,705.00 is: 25,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,620.55 : 47,776.38 = 18,705.00 : x
  2. Step 2: Convert to fraction form
    34,620.55/47,776.38 = 18,705.00/x
  3. Step 3: Cross multiply
    34,620.55x = 47,776.38 × 18,705.00
  4. Step 4: Simplify right side
    34,620.55x = 893,656,949.02
  5. Step 5: Solve for x
    x = 893,656,949.02/34,620.55
  6. Step 6: Final answer
    x = 25,812.90

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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.