Home / 34,065.70-47,011.29-18,959.00

Finding the Fourth Proportional to 34,065.70, 47,011.29 and 18,959.00

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Solution

The fourth proportional to 34,065.70, 47,011.29 and 18,959.00 is: 26,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,065.70 : 47,011.29 = 18,959.00 : x
  2. Step 2: Convert to fraction form
    34,065.70/47,011.29 = 18,959.00/x
  3. Step 3: Cross multiply
    34,065.70x = 47,011.29 × 18,959.00
  4. Step 4: Simplify right side
    34,065.70x = 891,286,740.96
  5. Step 5: Solve for x
    x = 891,286,740.96/34,065.70
  6. Step 6: Final answer
    x = 26,163.76

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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.