Home / 51,934.32-77,867.40-18,637.68

Finding the Fourth Proportional to 51,934.32, 77,867.40 and 18,637.68

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Solution

The fourth proportional to 51,934.32, 77,867.40 and 18,637.68 is: 27,944.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,934.32 : 77,867.40 = 18,637.68 : x
  2. Step 2: Convert to fraction form
    51,934.32/77,867.40 = 18,637.68/x
  3. Step 3: Cross multiply
    51,934.32x = 77,867.40 × 18,637.68
  4. Step 4: Simplify right side
    51,934.32x = 1,451,267,683.63
  5. Step 5: Solve for x
    x = 1,451,267,683.63/51,934.32
  6. Step 6: Final answer
    x = 27,944.29

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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.