Home / 39,424.58-59,138.22-12,769.92

Finding the Fourth Proportional to 39,424.58, 59,138.22 and 12,769.92

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Solution

The fourth proportional to 39,424.58, 59,138.22 and 12,769.92 is: 19,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,424.58 : 59,138.22 = 12,769.92 : x
  2. Step 2: Convert to fraction form
    39,424.58/59,138.22 = 12,769.92/x
  3. Step 3: Cross multiply
    39,424.58x = 59,138.22 × 12,769.92
  4. Step 4: Simplify right side
    39,424.58x = 755,190,338.34
  5. Step 5: Solve for x
    x = 755,190,338.34/39,424.58
  6. Step 6: Final answer
    x = 19,155.32

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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.