Home / 47,116.86-70,664.49-28,146.84

Finding the Fourth Proportional to 47,116.86, 70,664.49 and 28,146.84

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Solution

The fourth proportional to 47,116.86, 70,664.49 and 28,146.84 is: 42,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,116.86 : 70,664.49 = 28,146.84 : x
  2. Step 2: Convert to fraction form
    47,116.86/70,664.49 = 28,146.84/x
  3. Step 3: Cross multiply
    47,116.86x = 70,664.49 × 28,146.84
  4. Step 4: Simplify right side
    47,116.86x = 1,988,982,093.71
  5. Step 5: Solve for x
    x = 1,988,982,093.71/47,116.86
  6. Step 6: Final answer
    x = 42,213.81

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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.