Home / 39,014.61-58,521.87-12,719.31

Finding the Fourth Proportional to 39,014.61, 58,521.87 and 12,719.31

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Solution

The fourth proportional to 39,014.61, 58,521.87 and 12,719.31 is: 19,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,014.61 : 58,521.87 = 12,719.31 : x
  2. Step 2: Convert to fraction form
    39,014.61/58,521.87 = 12,719.31/x
  3. Step 3: Cross multiply
    39,014.61x = 58,521.87 × 12,719.31
  4. Step 4: Simplify right side
    39,014.61x = 744,357,806.31
  5. Step 5: Solve for x
    x = 744,357,806.31/39,014.61
  6. Step 6: Final answer
    x = 19,078.95

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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.