Home / 39,977.20-59,961.01-31,101.42

Finding the Fourth Proportional to 39,977.20, 59,961.01 and 31,101.42

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Solution

The fourth proportional to 39,977.20, 59,961.01 and 31,101.42 is: 46,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.20 : 59,961.01 = 31,101.42 : x
  2. Step 2: Convert to fraction form
    39,977.20/59,961.01 = 31,101.42/x
  3. Step 3: Cross multiply
    39,977.20x = 59,961.01 × 31,101.42
  4. Step 4: Simplify right side
    39,977.20x = 1,864,872,423.77
  5. Step 5: Solve for x
    x = 1,864,872,423.77/39,977.20
  6. Step 6: Final answer
    x = 46,648.41

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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.