Home / 31,599.19-47,407.43-13,826.62

Finding the Fourth Proportional to 31,599.19, 47,407.43 and 13,826.62

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Solution

The fourth proportional to 31,599.19, 47,407.43 and 13,826.62 is: 20,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.19 : 47,407.43 = 13,826.62 : x
  2. Step 2: Convert to fraction form
    31,599.19/47,407.43 = 13,826.62/x
  3. Step 3: Cross multiply
    31,599.19x = 47,407.43 × 13,826.62
  4. Step 4: Simplify right side
    31,599.19x = 655,484,519.79
  5. Step 5: Solve for x
    x = 655,484,519.79/31,599.19
  6. Step 6: Final answer
    x = 20,743.71

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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.