Home / 66,061.32-99,054.85-21,684.36

Finding the Fourth Proportional to 66,061.32, 99,054.85 and 21,684.36

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Solution

The fourth proportional to 66,061.32, 99,054.85 and 21,684.36 is: 32,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,061.32 : 99,054.85 = 21,684.36 : x
  2. Step 2: Convert to fraction form
    66,061.32/99,054.85 = 21,684.36/x
  3. Step 3: Cross multiply
    66,061.32x = 99,054.85 × 21,684.36
  4. Step 4: Simplify right side
    66,061.32x = 2,147,940,827.87
  5. Step 5: Solve for x
    x = 2,147,940,827.87/66,061.32
  6. Step 6: Final answer
    x = 32,514.35

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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.