Home / 49,764.24-68,612.40-31,829.76

Finding the Fourth Proportional to 49,764.24, 68,612.40 and 31,829.76

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Solution

The fourth proportional to 49,764.24, 68,612.40 and 31,829.76 is: 43,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,764.24 : 68,612.40 = 31,829.76 : x
  2. Step 2: Convert to fraction form
    49,764.24/68,612.40 = 31,829.76/x
  3. Step 3: Cross multiply
    49,764.24x = 68,612.40 × 31,829.76
  4. Step 4: Simplify right side
    49,764.24x = 2,183,916,225.02
  5. Step 5: Solve for x
    x = 2,183,916,225.02/49,764.24
  6. Step 6: Final answer
    x = 43,885.25

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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.