Home / 34,770.24-47,983.90-19,665.18

Finding the Fourth Proportional to 34,770.24, 47,983.90 and 19,665.18

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Solution

The fourth proportional to 34,770.24, 47,983.90 and 19,665.18 is: 27,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,770.24 : 47,983.90 = 19,665.18 : x
  2. Step 2: Convert to fraction form
    34,770.24/47,983.90 = 19,665.18/x
  3. Step 3: Cross multiply
    34,770.24x = 47,983.90 × 19,665.18
  4. Step 4: Simplify right side
    34,770.24x = 943,612,030.60
  5. Step 5: Solve for x
    x = 943,612,030.60/34,770.24
  6. Step 6: Final answer
    x = 27,138.50

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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.