Home / 66,532.45-91,810.90-36,311.75

Finding the Fourth Proportional to 66,532.45, 91,810.90 and 36,311.75

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Solution

The fourth proportional to 66,532.45, 91,810.90 and 36,311.75 is: 50,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,532.45 : 91,810.90 = 36,311.75 : x
  2. Step 2: Convert to fraction form
    66,532.45/91,810.90 = 36,311.75/x
  3. Step 3: Cross multiply
    66,532.45x = 91,810.90 × 36,311.75
  4. Step 4: Simplify right side
    66,532.45x = 3,333,814,448.08
  5. Step 5: Solve for x
    x = 3,333,814,448.08/66,532.45
  6. Step 6: Final answer
    x = 50,108.10

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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.