Home / 66,314.32-99,471.42-19,563.52

Finding the Fourth Proportional to 66,314.32, 99,471.42 and 19,563.52

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Solution

The fourth proportional to 66,314.32, 99,471.42 and 19,563.52 is: 29,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,314.32 : 99,471.42 = 19,563.52 : x
  2. Step 2: Convert to fraction form
    66,314.32/99,471.42 = 19,563.52/x
  3. Step 3: Cross multiply
    66,314.32x = 99,471.42 × 19,563.52
  4. Step 4: Simplify right side
    66,314.32x = 1,946,011,114.60
  5. Step 5: Solve for x
    x = 1,946,011,114.60/66,314.32
  6. Step 6: Final answer
    x = 29,345.26

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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.