Home / 31,681.07-47,521.61-14,163.11

Finding the Fourth Proportional to 31,681.07, 47,521.61 and 14,163.11

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Solution

The fourth proportional to 31,681.07, 47,521.61 and 14,163.11 is: 21,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.07 : 47,521.61 = 14,163.11 : x
  2. Step 2: Convert to fraction form
    31,681.07/47,521.61 = 14,163.11/x
  3. Step 3: Cross multiply
    31,681.07x = 47,521.61 × 14,163.11
  4. Step 4: Simplify right side
    31,681.07x = 673,053,718.99
  5. Step 5: Solve for x
    x = 673,053,718.99/31,681.07
  6. Step 6: Final answer
    x = 21,244.67

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1.5x scale

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.