Home / 39,784.10-59,674.62-13,488.85

Finding the Fourth Proportional to 39,784.10, 59,674.62 and 13,488.85

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Solution

The fourth proportional to 39,784.10, 59,674.62 and 13,488.85 is: 20,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.10 : 59,674.62 = 13,488.85 : x
  2. Step 2: Convert to fraction form
    39,784.10/59,674.62 = 13,488.85/x
  3. Step 3: Cross multiply
    39,784.10x = 59,674.62 × 13,488.85
  4. Step 4: Simplify right side
    39,784.10x = 804,941,848.80
  5. Step 5: Solve for x
    x = 804,941,848.80/39,784.10
  6. Step 6: Final answer
    x = 20,232.75

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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.