Home / 40,937.92-61,412.64-18,756.88

Finding the Fourth Proportional to 40,937.92, 61,412.64 and 18,756.88

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Solution

The fourth proportional to 40,937.92, 61,412.64 and 18,756.88 is: 28,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,937.92 : 61,412.64 = 18,756.88 : x
  2. Step 2: Convert to fraction form
    40,937.92/61,412.64 = 18,756.88/x
  3. Step 3: Cross multiply
    40,937.92x = 61,412.64 × 18,756.88
  4. Step 4: Simplify right side
    40,937.92x = 1,151,909,518.96
  5. Step 5: Solve for x
    x = 1,151,909,518.96/40,937.92
  6. Step 6: Final answer
    x = 28,137.96

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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.