Home / 42,769.02-64,145.96-11,606.70

Finding the Fourth Proportional to 42,769.02, 64,145.96 and 11,606.70

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Solution

The fourth proportional to 42,769.02, 64,145.96 and 11,606.70 is: 17,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,769.02 : 64,145.96 = 11,606.70 : x
  2. Step 2: Convert to fraction form
    42,769.02/64,145.96 = 11,606.70/x
  3. Step 3: Cross multiply
    42,769.02x = 64,145.96 × 11,606.70
  4. Step 4: Simplify right side
    42,769.02x = 744,522,913.93
  5. Step 5: Solve for x
    x = 744,522,913.93/42,769.02
  6. Step 6: Final answer
    x = 17,408.00

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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.