Home / 44,387.36-61,240-31,642.56

Finding the Fourth Proportional to 44,387.36, 61,240 and 31,642.56

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Solution

The fourth proportional to 44,387.36, 61,240 and 31,642.56 is: 43,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,387.36 : 61,240 = 31,642.56 : x
  2. Step 2: Convert to fraction form
    44,387.36/61,240 = 31,642.56/x
  3. Step 3: Cross multiply
    44,387.36x = 61,240 × 31,642.56
  4. Step 4: Simplify right side
    44,387.36x = 1,937,790,374.40
  5. Step 5: Solve for x
    x = 1,937,790,374.40/44,387.36
  6. Step 6: Final answer
    x = 43,656.36

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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.