Home / 31,351.72-46,966.04-18,176.40

Finding the Fourth Proportional to 31,351.72, 46,966.04 and 18,176.40

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Solution

The fourth proportional to 31,351.72, 46,966.04 and 18,176.40 is: 27,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.72 : 46,966.04 = 18,176.40 : x
  2. Step 2: Convert to fraction form
    31,351.72/46,966.04 = 18,176.40/x
  3. Step 3: Cross multiply
    31,351.72x = 46,966.04 × 18,176.40
  4. Step 4: Simplify right side
    31,351.72x = 853,673,529.46
  5. Step 5: Solve for x
    x = 853,673,529.46/31,351.72
  6. Step 6: Final answer
    x = 27,228.92

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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.