Home / 31,624.32-43,635.36-19,049.76

Finding the Fourth Proportional to 31,624.32, 43,635.36 and 19,049.76

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Solution

The fourth proportional to 31,624.32, 43,635.36 and 19,049.76 is: 26,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.32 : 43,635.36 = 19,049.76 : x
  2. Step 2: Convert to fraction form
    31,624.32/43,635.36 = 19,049.76/x
  3. Step 3: Cross multiply
    31,624.32x = 43,635.36 × 19,049.76
  4. Step 4: Simplify right side
    31,624.32x = 831,243,135.51
  5. Step 5: Solve for x
    x = 831,243,135.51/31,624.32
  6. Step 6: Final answer
    x = 26,284.93

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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.