Home / 31,363.13-43,281.05-17,215.67

Finding the Fourth Proportional to 31,363.13, 43,281.05 and 17,215.67

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Solution

The fourth proportional to 31,363.13, 43,281.05 and 17,215.67 is: 23,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.13 : 43,281.05 = 17,215.67 : x
  2. Step 2: Convert to fraction form
    31,363.13/43,281.05 = 17,215.67/x
  3. Step 3: Cross multiply
    31,363.13x = 43,281.05 × 17,215.67
  4. Step 4: Simplify right side
    31,363.13x = 745,112,274.05
  5. Step 5: Solve for x
    x = 745,112,274.05/31,363.13
  6. Step 6: Final answer
    x = 23,757.59

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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.