Home / 34,970.42-52,455.20-20,934.36

Finding the Fourth Proportional to 34,970.42, 52,455.20 and 20,934.36

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Solution

The fourth proportional to 34,970.42, 52,455.20 and 20,934.36 is: 31,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,970.42 : 52,455.20 = 20,934.36 : x
  2. Step 2: Convert to fraction form
    34,970.42/52,455.20 = 20,934.36/x
  3. Step 3: Cross multiply
    34,970.42x = 52,455.20 × 20,934.36
  4. Step 4: Simplify right side
    34,970.42x = 1,098,116,040.67
  5. Step 5: Solve for x
    x = 1,098,116,040.67/34,970.42
  6. Step 6: Final answer
    x = 31,401.28

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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.