Home / 31,189.38-46,795.68-18,718.34

Finding the Fourth Proportional to 31,189.38, 46,795.68 and 18,718.34

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Solution

The fourth proportional to 31,189.38, 46,795.68 and 18,718.34 is: 28,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.38 : 46,795.68 = 18,718.34 : x
  2. Step 2: Convert to fraction form
    31,189.38/46,795.68 = 18,718.34/x
  3. Step 3: Cross multiply
    31,189.38x = 46,795.68 × 18,718.34
  4. Step 4: Simplify right side
    31,189.38x = 875,937,448.77
  5. Step 5: Solve for x
    x = 875,937,448.77/31,189.38
  6. Step 6: Final answer
    x = 28,084.48

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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.