Home / 39,429.76-59,154.34-11,727.76

Finding the Fourth Proportional to 39,429.76, 59,154.34 and 11,727.76

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Solution

The fourth proportional to 39,429.76, 59,154.34 and 11,727.76 is: 17,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.76 : 59,154.34 = 11,727.76 : x
  2. Step 2: Convert to fraction form
    39,429.76/59,154.34 = 11,727.76/x
  3. Step 3: Cross multiply
    39,429.76x = 59,154.34 × 11,727.76
  4. Step 4: Simplify right side
    39,429.76x = 693,747,902.48
  5. Step 5: Solve for x
    x = 693,747,902.48/39,429.76
  6. Step 6: Final answer
    x = 17,594.53

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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.