Home / 31,288.79-46,960.52-18,123.05

Finding the Fourth Proportional to 31,288.79, 46,960.52 and 18,123.05

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Solution

The fourth proportional to 31,288.79, 46,960.52 and 18,123.05 is: 27,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.79 : 46,960.52 = 18,123.05 : x
  2. Step 2: Convert to fraction form
    31,288.79/46,960.52 = 18,123.05/x
  3. Step 3: Cross multiply
    31,288.79x = 46,960.52 × 18,123.05
  4. Step 4: Simplify right side
    31,288.79x = 851,067,526.57
  5. Step 5: Solve for x
    x = 851,067,526.57/31,288.79
  6. Step 6: Final answer
    x = 27,200.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.