Home / 31,360.70-43,278.23-17,214.86

Finding the Fourth Proportional to 31,360.70, 43,278.23 and 17,214.86

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Solution

The fourth proportional to 31,360.70, 43,278.23 and 17,214.86 is: 23,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.70 : 43,278.23 = 17,214.86 : x
  2. Step 2: Convert to fraction form
    31,360.70/43,278.23 = 17,214.86/x
  3. Step 3: Cross multiply
    31,360.70x = 43,278.23 × 17,214.86
  4. Step 4: Simplify right side
    31,360.70x = 745,028,670.50
  5. Step 5: Solve for x
    x = 745,028,670.50/31,360.70
  6. Step 6: Final answer
    x = 23,756.76

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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.