Home / 39,764.94-59,647.50-18,689.52

Finding the Fourth Proportional to 39,764.94, 59,647.50 and 18,689.52

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Solution

The fourth proportional to 39,764.94, 59,647.50 and 18,689.52 is: 28,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.94 : 59,647.50 = 18,689.52 : x
  2. Step 2: Convert to fraction form
    39,764.94/59,647.50 = 18,689.52/x
  3. Step 3: Cross multiply
    39,764.94x = 59,647.50 × 18,689.52
  4. Step 4: Simplify right side
    39,764.94x = 1,114,783,144.20
  5. Step 5: Solve for x
    x = 1,114,783,144.20/39,764.94
  6. Step 6: Final answer
    x = 28,034.32

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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.