Home / 56,240.32-84,332.94-18,787.54

Finding the Fourth Proportional to 56,240.32, 84,332.94 and 18,787.54

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Solution

The fourth proportional to 56,240.32, 84,332.94 and 18,787.54 is: 28,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,240.32 : 84,332.94 = 18,787.54 : x
  2. Step 2: Convert to fraction form
    56,240.32/84,332.94 = 18,787.54/x
  3. Step 3: Cross multiply
    56,240.32x = 84,332.94 × 18,787.54
  4. Step 4: Simplify right side
    56,240.32x = 1,584,408,483.57
  5. Step 5: Solve for x
    x = 1,584,408,483.57/56,240.32
  6. Step 6: Final answer
    x = 28,172.11

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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.