Home / 45,039.48-67,471.72-21,682.32

Finding the Fourth Proportional to 45,039.48, 67,471.72 and 21,682.32

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Solution

The fourth proportional to 45,039.48, 67,471.72 and 21,682.32 is: 32,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,039.48 : 67,471.72 = 21,682.32 : x
  2. Step 2: Convert to fraction form
    45,039.48/67,471.72 = 21,682.32/x
  3. Step 3: Cross multiply
    45,039.48x = 67,471.72 × 21,682.32
  4. Step 4: Simplify right side
    45,039.48x = 1,462,943,423.99
  5. Step 5: Solve for x
    x = 1,462,943,423.99/45,039.48
  6. Step 6: Final answer
    x = 32,481.36

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1.5x scale

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.