Home / 55,695.23-76,863.50-31,821.39

Finding the Fourth Proportional to 55,695.23, 76,863.50 and 31,821.39

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Solution

The fourth proportional to 55,695.23, 76,863.50 and 31,821.39 is: 43,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,695.23 : 76,863.50 = 31,821.39 : x
  2. Step 2: Convert to fraction form
    55,695.23/76,863.50 = 31,821.39/x
  3. Step 3: Cross multiply
    55,695.23x = 76,863.50 × 31,821.39
  4. Step 4: Simplify right side
    55,695.23x = 2,445,903,410.27
  5. Step 5: Solve for x
    x = 2,445,903,410.27/55,695.23
  6. Step 6: Final answer
    x = 43,915.85

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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.