Home / 66,319.02-99,421.83-28,850.31

Finding the Fourth Proportional to 66,319.02, 99,421.83 and 28,850.31

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Solution

The fourth proportional to 66,319.02, 99,421.83 and 28,850.31 is: 43,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.02 : 99,421.83 = 28,850.31 : x
  2. Step 2: Convert to fraction form
    66,319.02/99,421.83 = 28,850.31/x
  3. Step 3: Cross multiply
    66,319.02x = 99,421.83 × 28,850.31
  4. Step 4: Simplify right side
    66,319.02x = 2,868,350,616.27
  5. Step 5: Solve for x
    x = 2,868,350,616.27/66,319.02
  6. Step 6: Final answer
    x = 43,250.80

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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.