Home / 52,690.32-79,010.64-17,620.56

Finding the Fourth Proportional to 52,690.32, 79,010.64 and 17,620.56

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Solution

The fourth proportional to 52,690.32, 79,010.64 and 17,620.56 is: 26,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,690.32 : 79,010.64 = 17,620.56 : x
  2. Step 2: Convert to fraction form
    52,690.32/79,010.64 = 17,620.56/x
  3. Step 3: Cross multiply
    52,690.32x = 79,010.64 × 17,620.56
  4. Step 4: Simplify right side
    52,690.32x = 1,392,211,722.76
  5. Step 5: Solve for x
    x = 1,392,211,722.76/52,690.32
  6. Step 6: Final answer
    x = 26,422.53

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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.