Home / 52,299.96-78,449.26-12,857.42

Finding the Fourth Proportional to 52,299.96, 78,449.26 and 12,857.42

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Solution

The fourth proportional to 52,299.96, 78,449.26 and 12,857.42 is: 19,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,299.96 : 78,449.26 = 12,857.42 : x
  2. Step 2: Convert to fraction form
    52,299.96/78,449.26 = 12,857.42/x
  3. Step 3: Cross multiply
    52,299.96x = 78,449.26 × 12,857.42
  4. Step 4: Simplify right side
    52,299.96x = 1,008,655,084.51
  5. Step 5: Solve for x
    x = 1,008,655,084.51/52,299.96
  6. Step 6: Final answer
    x = 19,285.96

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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.