Home / 83,533.11-125,297.79-20,353.51

Finding the Fourth Proportional to 83,533.11, 125,297.79 and 20,353.51

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Solution

The fourth proportional to 83,533.11, 125,297.79 and 20,353.51 is: 30,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,533.11 : 125,297.79 = 20,353.51 : x
  2. Step 2: Convert to fraction form
    83,533.11/125,297.79 = 20,353.51/x
  3. Step 3: Cross multiply
    83,533.11x = 125,297.79 × 20,353.51
  4. Step 4: Simplify right side
    83,533.11x = 2,550,249,902.04
  5. Step 5: Solve for x
    x = 2,550,249,902.04/83,533.11
  6. Step 6: Final answer
    x = 30,529.81

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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.