Home / 55,663.57-76,812.87-31,785.58

Finding the Fourth Proportional to 55,663.57, 76,812.87 and 31,785.58

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Solution

The fourth proportional to 55,663.57, 76,812.87 and 31,785.58 is: 43,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,663.57 : 76,812.87 = 31,785.58 : x
  2. Step 2: Convert to fraction form
    55,663.57/76,812.87 = 31,785.58/x
  3. Step 3: Cross multiply
    55,663.57x = 76,812.87 × 31,785.58
  4. Step 4: Simplify right side
    55,663.57x = 2,441,541,624.41
  5. Step 5: Solve for x
    x = 2,441,541,624.41/55,663.57
  6. Step 6: Final answer
    x = 43,862.47

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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.