Home / 66,613.78-99,927.35-19,230.04

Finding the Fourth Proportional to 66,613.78, 99,927.35 and 19,230.04

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Solution

The fourth proportional to 66,613.78, 99,927.35 and 19,230.04 is: 28,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,613.78 : 99,927.35 = 19,230.04 : x
  2. Step 2: Convert to fraction form
    66,613.78/99,927.35 = 19,230.04/x
  3. Step 3: Cross multiply
    66,613.78x = 99,927.35 × 19,230.04
  4. Step 4: Simplify right side
    66,613.78x = 1,921,606,341.81
  5. Step 5: Solve for x
    x = 1,921,606,341.81/66,613.78
  6. Step 6: Final answer
    x = 28,846.98

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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.