Home / 56,362.28-84,557.46-16,920.12

Finding the Fourth Proportional to 56,362.28, 84,557.46 and 16,920.12

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Solution

The fourth proportional to 56,362.28, 84,557.46 and 16,920.12 is: 25,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,362.28 : 84,557.46 = 16,920.12 : x
  2. Step 2: Convert to fraction form
    56,362.28/84,557.46 = 16,920.12/x
  3. Step 3: Cross multiply
    56,362.28x = 84,557.46 × 16,920.12
  4. Step 4: Simplify right side
    56,362.28x = 1,430,722,370.10
  5. Step 5: Solve for x
    x = 1,430,722,370.10/56,362.28
  6. Step 6: Final answer
    x = 25,384.39

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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.