Home / 55,449.10-76,533.51-31,589.95

Finding the Fourth Proportional to 55,449.10, 76,533.51 and 31,589.95

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Solution

The fourth proportional to 55,449.10, 76,533.51 and 31,589.95 is: 43,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.10 : 76,533.51 = 31,589.95 : x
  2. Step 2: Convert to fraction form
    55,449.10/76,533.51 = 31,589.95/x
  3. Step 3: Cross multiply
    55,449.10x = 76,533.51 × 31,589.95
  4. Step 4: Simplify right side
    55,449.10x = 2,417,689,754.22
  5. Step 5: Solve for x
    x = 2,417,689,754.22/55,449.10
  6. Step 6: Final answer
    x = 43,601.97

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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.