Home / 40,011.60-60,015.83-10,429.68

Finding the Fourth Proportional to 40,011.60, 60,015.83 and 10,429.68

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Solution

The fourth proportional to 40,011.60, 60,015.83 and 10,429.68 is: 15,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011.60 : 60,015.83 = 10,429.68 : x
  2. Step 2: Convert to fraction form
    40,011.60/60,015.83 = 10,429.68/x
  3. Step 3: Cross multiply
    40,011.60x = 60,015.83 × 10,429.68
  4. Step 4: Simplify right side
    40,011.60x = 625,945,849.69
  5. Step 5: Solve for x
    x = 625,945,849.69/40,011.60
  6. Step 6: Final answer
    x = 15,644.11

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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.