Home / 34,187.81-47,175.01-19,081.31

Finding the Fourth Proportional to 34,187.81, 47,175.01 and 19,081.31

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Solution

The fourth proportional to 34,187.81, 47,175.01 and 19,081.31 is: 26,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187.81 : 47,175.01 = 19,081.31 : x
  2. Step 2: Convert to fraction form
    34,187.81/47,175.01 = 19,081.31/x
  3. Step 3: Cross multiply
    34,187.81x = 47,175.01 × 19,081.31
  4. Step 4: Simplify right side
    34,187.81x = 900,160,706.48
  5. Step 5: Solve for x
    x = 900,160,706.48/34,187.81
  6. Step 6: Final answer
    x = 26,329.88

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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.