Home / 39,607.38-59,419.98-13,311.41

Finding the Fourth Proportional to 39,607.38, 59,419.98 and 13,311.41

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Solution

The fourth proportional to 39,607.38, 59,419.98 and 13,311.41 is: 19,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.38 : 59,419.98 = 13,311.41 : x
  2. Step 2: Convert to fraction form
    39,607.38/59,419.98 = 13,311.41/x
  3. Step 3: Cross multiply
    39,607.38x = 59,419.98 × 13,311.41
  4. Step 4: Simplify right side
    39,607.38x = 790,963,418.87
  5. Step 5: Solve for x
    x = 790,963,418.87/39,607.38
  6. Step 6: Final answer
    x = 19,970.10

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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.