Home / 34,071.21-47,017.79-18,963.87

Finding the Fourth Proportional to 34,071.21, 47,017.79 and 18,963.87

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Solution

The fourth proportional to 34,071.21, 47,017.79 and 18,963.87 is: 26,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,071.21 : 47,017.79 = 18,963.87 : x
  2. Step 2: Convert to fraction form
    34,071.21/47,017.79 = 18,963.87/x
  3. Step 3: Cross multiply
    34,071.21x = 47,017.79 × 18,963.87
  4. Step 4: Simplify right side
    34,071.21x = 891,639,162.43
  5. Step 5: Solve for x
    x = 891,639,162.43/34,071.21
  6. Step 6: Final answer
    x = 26,169.87

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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.