Home / 66,887.98-92,308.31-40,025.34

Finding the Fourth Proportional to 66,887.98, 92,308.31 and 40,025.34

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Solution

The fourth proportional to 66,887.98, 92,308.31 and 40,025.34 is: 55,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.98 : 92,308.31 = 40,025.34 : x
  2. Step 2: Convert to fraction form
    66,887.98/92,308.31 = 40,025.34/x
  3. Step 3: Cross multiply
    66,887.98x = 92,308.31 × 40,025.34
  4. Step 4: Simplify right side
    66,887.98x = 3,694,671,442.54
  5. Step 5: Solve for x
    x = 3,694,671,442.54/66,887.98
  6. Step 6: Final answer
    x = 55,236.70

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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.