Home / 31,331.87-43,237.39-17,719.67

Finding the Fourth Proportional to 31,331.87, 43,237.39 and 17,719.67

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Solution

The fourth proportional to 31,331.87, 43,237.39 and 17,719.67 is: 24,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.87 : 43,237.39 = 17,719.67 : x
  2. Step 2: Convert to fraction form
    31,331.87/43,237.39 = 17,719.67/x
  3. Step 3: Cross multiply
    31,331.87x = 43,237.39 × 17,719.67
  4. Step 4: Simplify right side
    31,331.87x = 766,152,427.82
  5. Step 5: Solve for x
    x = 766,152,427.82/31,331.87
  6. Step 6: Final answer
    x = 24,452.82

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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.