Home / 54,436.03-81,622.27-21,117.16

Finding the Fourth Proportional to 54,436.03, 81,622.27 and 21,117.16

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Solution

The fourth proportional to 54,436.03, 81,622.27 and 21,117.16 is: 31,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436.03 : 81,622.27 = 21,117.16 : x
  2. Step 2: Convert to fraction form
    54,436.03/81,622.27 = 21,117.16/x
  3. Step 3: Cross multiply
    54,436.03x = 81,622.27 × 21,117.16
  4. Step 4: Simplify right side
    54,436.03x = 1,723,630,814.84
  5. Step 5: Solve for x
    x = 1,723,630,814.84/54,436.03
  6. Step 6: Final answer
    x = 31,663.42

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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.