Home / 32,823.50-45,278.19-21,511.24

Finding the Fourth Proportional to 32,823.50, 45,278.19 and 21,511.24

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Solution

The fourth proportional to 32,823.50, 45,278.19 and 21,511.24 is: 29,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,823.50 : 45,278.19 = 21,511.24 : x
  2. Step 2: Convert to fraction form
    32,823.50/45,278.19 = 21,511.24/x
  3. Step 3: Cross multiply
    32,823.50x = 45,278.19 × 21,511.24
  4. Step 4: Simplify right side
    32,823.50x = 973,990,011.86
  5. Step 5: Solve for x
    x = 973,990,011.86/32,823.50
  6. Step 6: Final answer
    x = 29,673.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.