Home / 52,462.86-78,703.01-20,873.24

Finding the Fourth Proportional to 52,462.86, 78,703.01 and 20,873.24

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Solution

The fourth proportional to 52,462.86, 78,703.01 and 20,873.24 is: 31,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,462.86 : 78,703.01 = 20,873.24 : x
  2. Step 2: Convert to fraction form
    52,462.86/78,703.01 = 20,873.24/x
  3. Step 3: Cross multiply
    52,462.86x = 78,703.01 × 20,873.24
  4. Step 4: Simplify right side
    52,462.86x = 1,642,786,318.57
  5. Step 5: Solve for x
    x = 1,642,786,318.57/52,462.86
  6. Step 6: Final answer
    x = 31,313.32

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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.