Home / 49,809.72-68,731.86-29,663.80

Finding the Fourth Proportional to 49,809.72, 68,731.86 and 29,663.80

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Solution

The fourth proportional to 49,809.72, 68,731.86 and 29,663.80 is: 40,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,809.72 : 68,731.86 = 29,663.80 : x
  2. Step 2: Convert to fraction form
    49,809.72/68,731.86 = 29,663.80/x
  3. Step 3: Cross multiply
    49,809.72x = 68,731.86 × 29,663.80
  4. Step 4: Simplify right side
    49,809.72x = 2,038,848,148.67
  5. Step 5: Solve for x
    x = 2,038,848,148.67/49,809.72
  6. Step 6: Final answer
    x = 40,932.74

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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.