Home / 66,910.80-92,328.48-36,688.17

Finding the Fourth Proportional to 66,910.80, 92,328.48 and 36,688.17

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Solution

The fourth proportional to 66,910.80, 92,328.48 and 36,688.17 is: 50,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.80 : 92,328.48 = 36,688.17 : x
  2. Step 2: Convert to fraction form
    66,910.80/92,328.48 = 36,688.17/x
  3. Step 3: Cross multiply
    66,910.80x = 92,328.48 × 36,688.17
  4. Step 4: Simplify right side
    66,910.80x = 3,387,363,316.31
  5. Step 5: Solve for x
    x = 3,387,363,316.31/66,910.80
  6. Step 6: Final answer
    x = 50,625.06

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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.