Home / 47,861.82-66,039.30-28,995.30

Finding the Fourth Proportional to 47,861.82, 66,039.30 and 28,995.30

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Solution

The fourth proportional to 47,861.82, 66,039.30 and 28,995.30 is: 40,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,861.82 : 66,039.30 = 28,995.30 : x
  2. Step 2: Convert to fraction form
    47,861.82/66,039.30 = 28,995.30/x
  3. Step 3: Cross multiply
    47,861.82x = 66,039.30 × 28,995.30
  4. Step 4: Simplify right side
    47,861.82x = 1,914,829,315.29
  5. Step 5: Solve for x
    x = 1,914,829,315.29/47,861.82
  6. Step 6: Final answer
    x = 40,007.45

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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.