Home / 47,863.32-66,041.37-28,996.80

Finding the Fourth Proportional to 47,863.32, 66,041.37 and 28,996.80

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Solution

The fourth proportional to 47,863.32, 66,041.37 and 28,996.80 is: 40,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,863.32 : 66,041.37 = 28,996.80 : x
  2. Step 2: Convert to fraction form
    47,863.32/66,041.37 = 28,996.80/x
  3. Step 3: Cross multiply
    47,863.32x = 66,041.37 × 28,996.80
  4. Step 4: Simplify right side
    47,863.32x = 1,914,988,397.62
  5. Step 5: Solve for x
    x = 1,914,988,397.62/47,863.32
  6. Step 6: Final answer
    x = 40,009.52

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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.