Home / 31,341.54-43,248.51-17,912.76

Finding the Fourth Proportional to 31,341.54, 43,248.51 and 17,912.76

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Solution

The fourth proportional to 31,341.54, 43,248.51 and 17,912.76 is: 24,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.54 : 43,248.51 = 17,912.76 : x
  2. Step 2: Convert to fraction form
    31,341.54/43,248.51 = 17,912.76/x
  3. Step 3: Cross multiply
    31,341.54x = 43,248.51 × 17,912.76
  4. Step 4: Simplify right side
    31,341.54x = 774,700,179.99
  5. Step 5: Solve for x
    x = 774,700,179.99/31,341.54
  6. Step 6: Final answer
    x = 24,718.00

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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.