Home / 39,709.06-59,521.66-30,328.65

Finding the Fourth Proportional to 39,709.06, 59,521.66 and 30,328.65

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Solution

The fourth proportional to 39,709.06, 59,521.66 and 30,328.65 is: 45,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,709.06 : 59,521.66 = 30,328.65 : x
  2. Step 2: Convert to fraction form
    39,709.06/59,521.66 = 30,328.65/x
  3. Step 3: Cross multiply
    39,709.06x = 59,521.66 × 30,328.65
  4. Step 4: Simplify right side
    39,709.06x = 1,805,211,517.74
  5. Step 5: Solve for x
    x = 1,805,211,517.74/39,709.06
  6. Step 6: Final answer
    x = 45,460.95

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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.