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Finding the Fourth Proportional to 56,508.80, 84,790.74 and 23,238.84

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Solution

The fourth proportional to 56,508.80, 84,790.74 and 23,238.84 is: 34,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,508.80 : 84,790.74 = 23,238.84 : x
  2. Step 2: Convert to fraction form
    56,508.80/84,790.74 = 23,238.84/x
  3. Step 3: Cross multiply
    56,508.80x = 84,790.74 × 23,238.84
  4. Step 4: Simplify right side
    56,508.80x = 1,970,438,440.34
  5. Step 5: Solve for x
    x = 1,970,438,440.34/56,508.80
  6. Step 6: Final answer
    x = 34,869.59

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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.