Home / 53,374.86-73,665.90-31,865.76

Finding the Fourth Proportional to 53,374.86, 73,665.90 and 31,865.76

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Solution

The fourth proportional to 53,374.86, 73,665.90 and 31,865.76 is: 43,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,374.86 : 73,665.90 = 31,865.76 : x
  2. Step 2: Convert to fraction form
    53,374.86/73,665.90 = 31,865.76/x
  3. Step 3: Cross multiply
    53,374.86x = 73,665.90 × 31,865.76
  4. Step 4: Simplify right side
    53,374.86x = 2,347,419,889.58
  5. Step 5: Solve for x
    x = 2,347,419,889.58/53,374.86
  6. Step 6: Final answer
    x = 43,979.88

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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.