Home / 29,718.71-41,012.13-16,289.67

Finding the Fourth Proportional to 29,718.71, 41,012.13 and 16,289.67

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Solution

The fourth proportional to 29,718.71, 41,012.13 and 16,289.67 is: 22,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,718.71 : 41,012.13 = 16,289.67 : x
  2. Step 2: Convert to fraction form
    29,718.71/41,012.13 = 16,289.67/x
  3. Step 3: Cross multiply
    29,718.71x = 41,012.13 × 16,289.67
  4. Step 4: Simplify right side
    29,718.71x = 668,074,063.70
  5. Step 5: Solve for x
    x = 668,074,063.70/29,718.71
  6. Step 6: Final answer
    x = 22,479.92

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1.5x scale

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.