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Finding the Fourth Proportional to 56,859.34, 85,287.84 and 25,260.83

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Solution

The fourth proportional to 56,859.34, 85,287.84 and 25,260.83 is: 37,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,859.34 : 85,287.84 = 25,260.83 : x
  2. Step 2: Convert to fraction form
    56,859.34/85,287.84 = 25,260.83/x
  3. Step 3: Cross multiply
    56,859.34x = 85,287.84 × 25,260.83
  4. Step 4: Simplify right side
    56,859.34x = 2,154,441,956.98
  5. Step 5: Solve for x
    x = 2,154,441,956.98/56,859.34
  6. Step 6: Final answer
    x = 37,890.73

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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.