Home / 47,860.52-66,049.86-28,999.40

Finding the Fourth Proportional to 47,860.52, 66,049.86 and 28,999.40

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Solution

The fourth proportional to 47,860.52, 66,049.86 and 28,999.40 is: 40,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.52 : 66,049.86 = 28,999.40 : x
  2. Step 2: Convert to fraction form
    47,860.52/66,049.86 = 28,999.40/x
  3. Step 3: Cross multiply
    47,860.52x = 66,049.86 × 28,999.40
  4. Step 4: Simplify right side
    47,860.52x = 1,915,406,310.08
  5. Step 5: Solve for x
    x = 1,915,406,310.08/47,860.52
  6. Step 6: Final answer
    x = 40,020.59

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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.