Home / 39,199.60-54,095.34-21,294.64

Finding the Fourth Proportional to 39,199.60, 54,095.34 and 21,294.64

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Solution

The fourth proportional to 39,199.60, 54,095.34 and 21,294.64 is: 29,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.60 : 54,095.34 = 21,294.64 : x
  2. Step 2: Convert to fraction form
    39,199.60/54,095.34 = 21,294.64/x
  3. Step 3: Cross multiply
    39,199.60x = 54,095.34 × 21,294.64
  4. Step 4: Simplify right side
    39,199.60x = 1,151,940,790.98
  5. Step 5: Solve for x
    x = 1,151,940,790.98/39,199.60
  6. Step 6: Final answer
    x = 29,386.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.