Home / 47,861.02-66,050.55-28,999.90

Finding the Fourth Proportional to 47,861.02, 66,050.55 and 28,999.90

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Solution

The fourth proportional to 47,861.02, 66,050.55 and 28,999.90 is: 40,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,861.02 : 66,050.55 = 28,999.90 : x
  2. Step 2: Convert to fraction form
    47,861.02/66,050.55 = 28,999.90/x
  3. Step 3: Cross multiply
    47,861.02x = 66,050.55 × 28,999.90
  4. Step 4: Simplify right side
    47,861.02x = 1,915,459,344.95
  5. Step 5: Solve for x
    x = 1,915,459,344.95/47,861.02
  6. Step 6: Final answer
    x = 40,021.28

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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.