Home / 56,222.32-84,301.58-18,762.05

Finding the Fourth Proportional to 56,222.32, 84,301.58 and 18,762.05

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Solution

The fourth proportional to 56,222.32, 84,301.58 and 18,762.05 is: 28,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,222.32 : 84,301.58 = 18,762.05 : x
  2. Step 2: Convert to fraction form
    56,222.32/84,301.58 = 18,762.05/x
  3. Step 3: Cross multiply
    56,222.32x = 84,301.58 × 18,762.05
  4. Step 4: Simplify right side
    56,222.32x = 1,581,670,037.53
  5. Step 5: Solve for x
    x = 1,581,670,037.53/56,222.32
  6. Step 6: Final answer
    x = 28,132.42

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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.