Home / 42,911.20-64,381.38-27,097.84

Finding the Fourth Proportional to 42,911.20, 64,381.38 and 27,097.84

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Solution

The fourth proportional to 42,911.20, 64,381.38 and 27,097.84 is: 40,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,911.20 : 64,381.38 = 27,097.84 : x
  2. Step 2: Convert to fraction form
    42,911.20/64,381.38 = 27,097.84/x
  3. Step 3: Cross multiply
    42,911.20x = 64,381.38 × 27,097.84
  4. Step 4: Simplify right side
    42,911.20x = 1,744,596,334.22
  5. Step 5: Solve for x
    x = 1,744,596,334.22/42,911.20
  6. Step 6: Final answer
    x = 40,655.97

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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.