Home / 40,748.87-61,111.44-15,783.35

Finding the Fourth Proportional to 40,748.87, 61,111.44 and 15,783.35

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Solution

The fourth proportional to 40,748.87, 61,111.44 and 15,783.35 is: 23,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,748.87 : 61,111.44 = 15,783.35 : x
  2. Step 2: Convert to fraction form
    40,748.87/61,111.44 = 15,783.35/x
  3. Step 3: Cross multiply
    40,748.87x = 61,111.44 × 15,783.35
  4. Step 4: Simplify right side
    40,748.87x = 964,543,246.52
  5. Step 5: Solve for x
    x = 964,543,246.52/40,748.87
  6. Step 6: Final answer
    x = 23,670.43

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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.