Home / 66,787.19-92,166.32-36,979.19

Finding the Fourth Proportional to 66,787.19, 92,166.32 and 36,979.19

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Solution

The fourth proportional to 66,787.19, 92,166.32 and 36,979.19 is: 51,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,787.19 : 92,166.32 = 36,979.19 : x
  2. Step 2: Convert to fraction form
    66,787.19/92,166.32 = 36,979.19/x
  3. Step 3: Cross multiply
    66,787.19x = 92,166.32 × 36,979.19
  4. Step 4: Simplify right side
    66,787.19x = 3,408,235,858.88
  5. Step 5: Solve for x
    x = 3,408,235,858.88/66,787.19
  6. Step 6: Final answer
    x = 51,031.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.