Home / 31,476.02-43,439.36-17,331.39

Finding the Fourth Proportional to 31,476.02, 43,439.36 and 17,331.39

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Solution

The fourth proportional to 31,476.02, 43,439.36 and 17,331.39 is: 23,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476.02 : 43,439.36 = 17,331.39 : x
  2. Step 2: Convert to fraction form
    31,476.02/43,439.36 = 17,331.39/x
  3. Step 3: Cross multiply
    31,476.02x = 43,439.36 × 17,331.39
  4. Step 4: Simplify right side
    31,476.02x = 752,864,402.85
  5. Step 5: Solve for x
    x = 752,864,402.85/31,476.02
  6. Step 6: Final answer
    x = 23,918.67

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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.