Home / 61,368.41-84,686.94-40,147.22

Finding the Fourth Proportional to 61,368.41, 84,686.94 and 40,147.22

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Solution

The fourth proportional to 61,368.41, 84,686.94 and 40,147.22 is: 55,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,368.41 : 84,686.94 = 40,147.22 : x
  2. Step 2: Convert to fraction form
    61,368.41/84,686.94 = 40,147.22/x
  3. Step 3: Cross multiply
    61,368.41x = 84,686.94 × 40,147.22
  4. Step 4: Simplify right side
    61,368.41x = 3,399,945,423.02
  5. Step 5: Solve for x
    x = 3,399,945,423.02/61,368.41
  6. Step 6: Final answer
    x = 55,402.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.