Home / 39,727.72-59,307.29-38,342.56

Finding the Fourth Proportional to 39,727.72, 59,307.29 and 38,342.56

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Solution

The fourth proportional to 39,727.72, 59,307.29 and 38,342.56 is: 57,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.72 : 59,307.29 = 38,342.56 : x
  2. Step 2: Convert to fraction form
    39,727.72/59,307.29 = 38,342.56/x
  3. Step 3: Cross multiply
    39,727.72x = 59,307.29 × 38,342.56
  4. Step 4: Simplify right side
    39,727.72x = 2,273,993,325.26
  5. Step 5: Solve for x
    x = 2,273,993,325.26/39,727.72
  6. Step 6: Final answer
    x = 57,239.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.