Home / 30,271.32-45,412.92-10,550.52

Finding the Fourth Proportional to 30,271.32, 45,412.92 and 10,550.52

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Solution

The fourth proportional to 30,271.32, 45,412.92 and 10,550.52 is: 15,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.32 : 45,412.92 = 10,550.52 : x
  2. Step 2: Convert to fraction form
    30,271.32/45,412.92 = 10,550.52/x
  3. Step 3: Cross multiply
    30,271.32x = 45,412.92 × 10,550.52
  4. Step 4: Simplify right side
    30,271.32x = 479,129,920.72
  5. Step 5: Solve for x
    x = 479,129,920.72/30,271.32
  6. Step 6: Final answer
    x = 15,827.85

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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.