Home / 31,763.27-43,826.29-18,331.67

Finding the Fourth Proportional to 31,763.27, 43,826.29 and 18,331.67

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Solution

The fourth proportional to 31,763.27, 43,826.29 and 18,331.67 is: 25,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,763.27 : 43,826.29 = 18,331.67 : x
  2. Step 2: Convert to fraction form
    31,763.27/43,826.29 = 18,331.67/x
  3. Step 3: Cross multiply
    31,763.27x = 43,826.29 × 18,331.67
  4. Step 4: Simplify right side
    31,763.27x = 803,409,085.60
  5. Step 5: Solve for x
    x = 803,409,085.60/31,763.27
  6. Step 6: Final answer
    x = 25,293.65

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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.