Home / 31,298.07-46,932.51-18,154.20

Finding the Fourth Proportional to 31,298.07, 46,932.51 and 18,154.20

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Solution

The fourth proportional to 31,298.07, 46,932.51 and 18,154.20 is: 27,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.07 : 46,932.51 = 18,154.20 : x
  2. Step 2: Convert to fraction form
    31,298.07/46,932.51 = 18,154.20/x
  3. Step 3: Cross multiply
    31,298.07x = 46,932.51 × 18,154.20
  4. Step 4: Simplify right side
    31,298.07x = 852,022,173.04
  5. Step 5: Solve for x
    x = 852,022,173.04/31,298.07
  6. Step 6: Final answer
    x = 27,222.83

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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.