Home / 39,807.15-59,711.53-13,511.85

Finding the Fourth Proportional to 39,807.15, 59,711.53 and 13,511.85

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Solution

The fourth proportional to 39,807.15, 59,711.53 and 13,511.85 is: 20,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.15 : 59,711.53 = 13,511.85 : x
  2. Step 2: Convert to fraction form
    39,807.15/59,711.53 = 13,511.85/x
  3. Step 3: Cross multiply
    39,807.15x = 59,711.53 × 13,511.85
  4. Step 4: Simplify right side
    39,807.15x = 806,813,236.63
  5. Step 5: Solve for x
    x = 806,813,236.63/39,807.15
  6. Step 6: Final answer
    x = 20,268.05

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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.