Home / 52,327.24-78,490.21-12,884.69

Finding the Fourth Proportional to 52,327.24, 78,490.21 and 12,884.69

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Solution

The fourth proportional to 52,327.24, 78,490.21 and 12,884.69 is: 19,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,327.24 : 78,490.21 = 12,884.69 : x
  2. Step 2: Convert to fraction form
    52,327.24/78,490.21 = 12,884.69/x
  3. Step 3: Cross multiply
    52,327.24x = 78,490.21 × 12,884.69
  4. Step 4: Simplify right side
    52,327.24x = 1,011,322,023.88
  5. Step 5: Solve for x
    x = 1,011,322,023.88/52,327.24
  6. Step 6: Final answer
    x = 19,326.87

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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.