Home / 66,861.02-100,291.47-16,259.78

Finding the Fourth Proportional to 66,861.02, 100,291.47 and 16,259.78

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Solution

The fourth proportional to 66,861.02, 100,291.47 and 16,259.78 is: 24,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,861.02 : 100,291.47 = 16,259.78 : x
  2. Step 2: Convert to fraction form
    66,861.02/100,291.47 = 16,259.78/x
  3. Step 3: Cross multiply
    66,861.02x = 100,291.47 × 16,259.78
  4. Step 4: Simplify right side
    66,861.02x = 1,630,716,736.62
  5. Step 5: Solve for x
    x = 1,630,716,736.62/66,861.02
  6. Step 6: Final answer
    x = 24,389.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.