Home / 34,848.04-52,142.89-20,815.70

Finding the Fourth Proportional to 34,848.04, 52,142.89 and 20,815.70

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Solution

The fourth proportional to 34,848.04, 52,142.89 and 20,815.70 is: 31,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,848.04 : 52,142.89 = 20,815.70 : x
  2. Step 2: Convert to fraction form
    34,848.04/52,142.89 = 20,815.70/x
  3. Step 3: Cross multiply
    34,848.04x = 52,142.89 × 20,815.70
  4. Step 4: Simplify right side
    34,848.04x = 1,085,390,651.29
  5. Step 5: Solve for x
    x = 1,085,390,651.29/34,848.04
  6. Step 6: Final answer
    x = 31,146.39

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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.