Home / 47,278.32-70,917.71-13,999.02

Finding the Fourth Proportional to 47,278.32, 70,917.71 and 13,999.02

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Solution

The fourth proportional to 47,278.32, 70,917.71 and 13,999.02 is: 20,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.32 : 70,917.71 = 13,999.02 : x
  2. Step 2: Convert to fraction form
    47,278.32/70,917.71 = 13,999.02/x
  3. Step 3: Cross multiply
    47,278.32x = 70,917.71 × 13,999.02
  4. Step 4: Simplify right side
    47,278.32x = 992,778,121.05
  5. Step 5: Solve for x
    x = 992,778,121.05/47,278.32
  6. Step 6: Final answer
    x = 20,998.59

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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.