Home / 66,311.02-91,511.41-37,244.50

Finding the Fourth Proportional to 66,311.02, 91,511.41 and 37,244.50

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Solution

The fourth proportional to 66,311.02, 91,511.41 and 37,244.50 is: 51,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311.02 : 91,511.41 = 37,244.50 : x
  2. Step 2: Convert to fraction form
    66,311.02/91,511.41 = 37,244.50/x
  3. Step 3: Cross multiply
    66,311.02x = 91,511.41 × 37,244.50
  4. Step 4: Simplify right side
    66,311.02x = 3,408,296,252.19
  5. Step 5: Solve for x
    x = 3,408,296,252.19/66,311.02
  6. Step 6: Final answer
    x = 51,398.64

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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.