Home / 42,713.02-64,072.77-11,548

Finding the Fourth Proportional to 42,713.02, 64,072.77 and 11,548

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Solution

The fourth proportional to 42,713.02, 64,072.77 and 11,548 is: 17,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,713.02 : 64,072.77 = 11,548 : x
  2. Step 2: Convert to fraction form
    42,713.02/64,072.77 = 11,548/x
  3. Step 3: Cross multiply
    42,713.02x = 64,072.77 × 11,548
  4. Step 4: Simplify right side
    42,713.02x = 739,912,347.96
  5. Step 5: Solve for x
    x = 739,912,347.96/42,713.02
  6. Step 6: Final answer
    x = 17,322.88

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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.