Home / 55,695.60-76,863.99-31,821.76

Finding the Fourth Proportional to 55,695.60, 76,863.99 and 31,821.76

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Solution

The fourth proportional to 55,695.60, 76,863.99 and 31,821.76 is: 43,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,695.60 : 76,863.99 = 31,821.76 : x
  2. Step 2: Convert to fraction form
    55,695.60/76,863.99 = 31,821.76/x
  3. Step 3: Cross multiply
    55,695.60x = 76,863.99 × 31,821.76
  4. Step 4: Simplify right side
    55,695.60x = 2,445,947,170.71
  5. Step 5: Solve for x
    x = 2,445,947,170.71/55,695.60
  6. Step 6: Final answer
    x = 43,916.35

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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.