Home / 51,642.14-77,464.06-17,909.22

Finding the Fourth Proportional to 51,642.14, 77,464.06 and 17,909.22

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Solution

The fourth proportional to 51,642.14, 77,464.06 and 17,909.22 is: 26,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642.14 : 77,464.06 = 17,909.22 : x
  2. Step 2: Convert to fraction form
    51,642.14/77,464.06 = 17,909.22/x
  3. Step 3: Cross multiply
    51,642.14x = 77,464.06 × 17,909.22
  4. Step 4: Simplify right side
    51,642.14x = 1,387,320,847.86
  5. Step 5: Solve for x
    x = 1,387,320,847.86/51,642.14
  6. Step 6: Final answer
    x = 26,864.12

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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.