Home / 40,485.22-60,728.47-14,189.85

Finding the Fourth Proportional to 40,485.22, 60,728.47 and 14,189.85

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Solution

The fourth proportional to 40,485.22, 60,728.47 and 14,189.85 is: 21,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.22 : 60,728.47 = 14,189.85 : x
  2. Step 2: Convert to fraction form
    40,485.22/60,728.47 = 14,189.85/x
  3. Step 3: Cross multiply
    40,485.22x = 60,728.47 × 14,189.85
  4. Step 4: Simplify right side
    40,485.22x = 861,727,844.55
  5. Step 5: Solve for x
    x = 861,727,844.55/40,485.22
  6. Step 6: Final answer
    x = 21,285.00

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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.