Home / 47,947.32-71,929.02-14,659.58

Finding the Fourth Proportional to 47,947.32, 71,929.02 and 14,659.58

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Solution

The fourth proportional to 47,947.32, 71,929.02 and 14,659.58 is: 21,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,947.32 : 71,929.02 = 14,659.58 : x
  2. Step 2: Convert to fraction form
    47,947.32/71,929.02 = 14,659.58/x
  3. Step 3: Cross multiply
    47,947.32x = 71,929.02 × 14,659.58
  4. Step 4: Simplify right side
    47,947.32x = 1,054,449,457.81
  5. Step 5: Solve for x
    x = 1,054,449,457.81/47,947.32
  6. Step 6: Final answer
    x = 21,991.83

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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.