Home / 56,504.20-84,723-21,446.32

Finding the Fourth Proportional to 56,504.20, 84,723 and 21,446.32

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Solution

The fourth proportional to 56,504.20, 84,723 and 21,446.32 is: 32,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,504.20 : 84,723 = 21,446.32 : x
  2. Step 2: Convert to fraction form
    56,504.20/84,723 = 21,446.32/x
  3. Step 3: Cross multiply
    56,504.20x = 84,723 × 21,446.32
  4. Step 4: Simplify right side
    56,504.20x = 1,816,996,569.36
  5. Step 5: Solve for x
    x = 1,816,996,569.36/56,504.20
  6. Step 6: Final answer
    x = 32,156.84

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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.