Home / 39,747.52-59,621.44-12,045.76

Finding the Fourth Proportional to 39,747.52, 59,621.44 and 12,045.76

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Solution

The fourth proportional to 39,747.52, 59,621.44 and 12,045.76 is: 18,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.52 : 59,621.44 = 12,045.76 : x
  2. Step 2: Convert to fraction form
    39,747.52/59,621.44 = 12,045.76/x
  3. Step 3: Cross multiply
    39,747.52x = 59,621.44 × 12,045.76
  4. Step 4: Simplify right side
    39,747.52x = 718,185,557.09
  5. Step 5: Solve for x
    x = 718,185,557.09/39,747.52
  6. Step 6: Final answer
    x = 18,068.69

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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.