Home / 40,755.04-61,119.93-19,681.98

Finding the Fourth Proportional to 40,755.04, 61,119.93 and 19,681.98

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Solution

The fourth proportional to 40,755.04, 61,119.93 and 19,681.98 is: 29,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,755.04 : 61,119.93 = 19,681.98 : x
  2. Step 2: Convert to fraction form
    40,755.04/61,119.93 = 19,681.98/x
  3. Step 3: Cross multiply
    40,755.04x = 61,119.93 × 19,681.98
  4. Step 4: Simplify right side
    40,755.04x = 1,202,961,239.86
  5. Step 5: Solve for x
    x = 1,202,961,239.86/40,755.04
  6. Step 6: Final answer
    x = 29,516.87

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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.