Home / 56,364.05-84,550.18-18,923.81

Finding the Fourth Proportional to 56,364.05, 84,550.18 and 18,923.81

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Solution

The fourth proportional to 56,364.05, 84,550.18 and 18,923.81 is: 28,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,364.05 : 84,550.18 = 18,923.81 : x
  2. Step 2: Convert to fraction form
    56,364.05/84,550.18 = 18,923.81/x
  3. Step 3: Cross multiply
    56,364.05x = 84,550.18 × 18,923.81
  4. Step 4: Simplify right side
    56,364.05x = 1,600,011,330.41
  5. Step 5: Solve for x
    x = 1,600,011,330.41/56,364.05
  6. Step 6: Final answer
    x = 28,387.09

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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.