Home / 40,779.82-61,173.15-17,406.46

Finding the Fourth Proportional to 40,779.82, 61,173.15 and 17,406.46

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Solution

The fourth proportional to 40,779.82, 61,173.15 and 17,406.46 is: 26,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.82 : 61,173.15 = 17,406.46 : x
  2. Step 2: Convert to fraction form
    40,779.82/61,173.15 = 17,406.46/x
  3. Step 3: Cross multiply
    40,779.82x = 61,173.15 × 17,406.46
  4. Step 4: Simplify right side
    40,779.82x = 1,064,807,988.55
  5. Step 5: Solve for x
    x = 1,064,807,988.55/40,779.82
  6. Step 6: Final answer
    x = 26,111.15

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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.