Home / 40,810.93-61,193.16-20,808.08

Finding the Fourth Proportional to 40,810.93, 61,193.16 and 20,808.08

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Solution

The fourth proportional to 40,810.93, 61,193.16 and 20,808.08 is: 31,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,810.93 : 61,193.16 = 20,808.08 : x
  2. Step 2: Convert to fraction form
    40,810.93/61,193.16 = 20,808.08/x
  3. Step 3: Cross multiply
    40,810.93x = 61,193.16 × 20,808.08
  4. Step 4: Simplify right side
    40,810.93x = 1,273,312,321.72
  5. Step 5: Solve for x
    x = 1,273,312,321.72/40,810.93
  6. Step 6: Final answer
    x = 31,200.28

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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.