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Finding the Fourth Proportional to 56,659.68, 85,002.27 and 19,220.67

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Solution

The fourth proportional to 56,659.68, 85,002.27 and 19,220.67 is: 28,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,659.68 : 85,002.27 = 19,220.67 : x
  2. Step 2: Convert to fraction form
    56,659.68/85,002.27 = 19,220.67/x
  3. Step 3: Cross multiply
    56,659.68x = 85,002.27 × 19,220.67
  4. Step 4: Simplify right side
    56,659.68x = 1,633,800,580.92
  5. Step 5: Solve for x
    x = 1,633,800,580.92/56,659.68
  6. Step 6: Final answer
    x = 28,835.33

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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.