Home / 31,619.93-47,423.79-14,748.27

Finding the Fourth Proportional to 31,619.93, 47,423.79 and 14,748.27

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Solution

The fourth proportional to 31,619.93, 47,423.79 and 14,748.27 is: 22,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.93 : 47,423.79 = 14,748.27 : x
  2. Step 2: Convert to fraction form
    31,619.93/47,423.79 = 14,748.27/x
  3. Step 3: Cross multiply
    31,619.93x = 47,423.79 × 14,748.27
  4. Step 4: Simplify right side
    31,619.93x = 699,418,859.34
  5. Step 5: Solve for x
    x = 699,418,859.34/31,619.93
  6. Step 6: Final answer
    x = 22,119.56

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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.