Home / 39,394.20-59,091.18-12,762.48

Finding the Fourth Proportional to 39,394.20, 59,091.18 and 12,762.48

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Solution

The fourth proportional to 39,394.20, 59,091.18 and 12,762.48 is: 19,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.20 : 59,091.18 = 12,762.48 : x
  2. Step 2: Convert to fraction form
    39,394.20/59,091.18 = 12,762.48/x
  3. Step 3: Cross multiply
    39,394.20x = 59,091.18 × 12,762.48
  4. Step 4: Simplify right side
    39,394.20x = 754,150,002.93
  5. Step 5: Solve for x
    x = 754,150,002.93/39,394.20
  6. Step 6: Final answer
    x = 19,143.68

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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.