Home / 40,675.26-56,092.43-31,719.50

Finding the Fourth Proportional to 40,675.26, 56,092.43 and 31,719.50

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Solution

The fourth proportional to 40,675.26, 56,092.43 and 31,719.50 is: 43,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,675.26 : 56,092.43 = 31,719.50 : x
  2. Step 2: Convert to fraction form
    40,675.26/56,092.43 = 31,719.50/x
  3. Step 3: Cross multiply
    40,675.26x = 56,092.43 × 31,719.50
  4. Step 4: Simplify right side
    40,675.26x = 1,779,223,842.57
  5. Step 5: Solve for x
    x = 1,779,223,842.57/40,675.26
  6. Step 6: Final answer
    x = 43,742.16

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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.