Home / 42,755.32-64,132.98-11,589.76

Finding the Fourth Proportional to 42,755.32, 64,132.98 and 11,589.76

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Solution

The fourth proportional to 42,755.32, 64,132.98 and 11,589.76 is: 17,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,755.32 : 64,132.98 = 11,589.76 : x
  2. Step 2: Convert to fraction form
    42,755.32/64,132.98 = 11,589.76/x
  3. Step 3: Cross multiply
    42,755.32x = 64,132.98 × 11,589.76
  4. Step 4: Simplify right side
    42,755.32x = 743,285,846.28
  5. Step 5: Solve for x
    x = 743,285,846.28/42,755.32
  6. Step 6: Final answer
    x = 17,384.64

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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.