Home / 66,826.02-92,217.72-39,954.68

Finding the Fourth Proportional to 66,826.02, 92,217.72 and 39,954.68

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Solution

The fourth proportional to 66,826.02, 92,217.72 and 39,954.68 is: 55,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,826.02 : 92,217.72 = 39,954.68 : x
  2. Step 2: Convert to fraction form
    66,826.02/92,217.72 = 39,954.68/x
  3. Step 3: Cross multiply
    66,826.02x = 92,217.72 × 39,954.68
  4. Step 4: Simplify right side
    66,826.02x = 3,684,529,492.93
  5. Step 5: Solve for x
    x = 3,684,529,492.93/66,826.02
  6. Step 6: Final answer
    x = 55,136.15

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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.