Home / 30,331.49-45,439.80-17,193.08

Finding the Fourth Proportional to 30,331.49, 45,439.80 and 17,193.08

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Solution

The fourth proportional to 30,331.49, 45,439.80 and 17,193.08 is: 25,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.49 : 45,439.80 = 17,193.08 : x
  2. Step 2: Convert to fraction form
    30,331.49/45,439.80 = 17,193.08/x
  3. Step 3: Cross multiply
    30,331.49x = 45,439.80 × 17,193.08
  4. Step 4: Simplify right side
    30,331.49x = 781,249,889.39
  5. Step 5: Solve for x
    x = 781,249,889.39/30,331.49
  6. Step 6: Final answer
    x = 25,757.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.