Home / 39,576.28-59,393.48-31,878.04

Finding the Fourth Proportional to 39,576.28, 59,393.48 and 31,878.04

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Solution

The fourth proportional to 39,576.28, 59,393.48 and 31,878.04 is: 47,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576.28 : 59,393.48 = 31,878.04 : x
  2. Step 2: Convert to fraction form
    39,576.28/59,393.48 = 31,878.04/x
  3. Step 3: Cross multiply
    39,576.28x = 59,393.48 × 31,878.04
  4. Step 4: Simplify right side
    39,576.28x = 1,893,347,731.18
  5. Step 5: Solve for x
    x = 1,893,347,731.18/39,576.28
  6. Step 6: Final answer
    x = 47,840.47

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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.