Home / 61,787.45-85,269.52-34,931.09

Finding the Fourth Proportional to 61,787.45, 85,269.52 and 34,931.09

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Solution

The fourth proportional to 61,787.45, 85,269.52 and 34,931.09 is: 48,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,787.45 : 85,269.52 = 34,931.09 : x
  2. Step 2: Convert to fraction form
    61,787.45/85,269.52 = 34,931.09/x
  3. Step 3: Cross multiply
    61,787.45x = 85,269.52 × 34,931.09
  4. Step 4: Simplify right side
    61,787.45x = 2,978,556,851.03
  5. Step 5: Solve for x
    x = 2,978,556,851.03/61,787.45
  6. Step 6: Final answer
    x = 48,206.51

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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.