Home / 42,832.32-64,213.84-17,891.47

Finding the Fourth Proportional to 42,832.32, 64,213.84 and 17,891.47

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Solution

The fourth proportional to 42,832.32, 64,213.84 and 17,891.47 is: 26,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,832.32 : 64,213.84 = 17,891.47 : x
  2. Step 2: Convert to fraction form
    42,832.32/64,213.84 = 17,891.47/x
  3. Step 3: Cross multiply
    42,832.32x = 64,213.84 × 17,891.47
  4. Step 4: Simplify right side
    42,832.32x = 1,148,879,991.94
  5. Step 5: Solve for x
    x = 1,148,879,991.94/42,832.32
  6. Step 6: Final answer
    x = 26,822.74

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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.