Home / 69,343.50-103,997.85-19,410.66

Finding the Fourth Proportional to 69,343.50, 103,997.85 and 19,410.66

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Solution

The fourth proportional to 69,343.50, 103,997.85 and 19,410.66 is: 29,111.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,343.50 : 103,997.85 = 19,410.66 : x
  2. Step 2: Convert to fraction form
    69,343.50/103,997.85 = 19,410.66/x
  3. Step 3: Cross multiply
    69,343.50x = 103,997.85 × 19,410.66
  4. Step 4: Simplify right side
    69,343.50x = 2,018,666,907.08
  5. Step 5: Solve for x
    x = 2,018,666,907.08/69,343.50
  6. Step 6: Final answer
    x = 29,111.12

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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.