Home / 42,754.24-64,131.36-11,589.49

Finding the Fourth Proportional to 42,754.24, 64,131.36 and 11,589.49

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Solution

The fourth proportional to 42,754.24, 64,131.36 and 11,589.49 is: 17,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,754.24 : 64,131.36 = 11,589.49 : x
  2. Step 2: Convert to fraction form
    42,754.24/64,131.36 = 11,589.49/x
  3. Step 3: Cross multiply
    42,754.24x = 64,131.36 × 11,589.49
  4. Step 4: Simplify right side
    42,754.24x = 743,249,755.41
  5. Step 5: Solve for x
    x = 743,249,755.41/42,754.24
  6. Step 6: Final answer
    x = 17,384.24

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1.5x scale

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.