Home / 66,910.65-92,329.99-38,625.45

Finding the Fourth Proportional to 66,910.65, 92,329.99 and 38,625.45

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Solution

The fourth proportional to 66,910.65, 92,329.99 and 38,625.45 is: 53,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.65 : 92,329.99 = 38,625.45 : x
  2. Step 2: Convert to fraction form
    66,910.65/92,329.99 = 38,625.45/x
  3. Step 3: Cross multiply
    66,910.65x = 92,329.99 × 38,625.45
  4. Step 4: Simplify right side
    66,910.65x = 3,566,287,412.25
  5. Step 5: Solve for x
    x = 3,566,287,412.25/66,910.65
  6. Step 6: Final answer
    x = 53,299.25

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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.