Home / 31,341.72-46,951.06-18,166.40

Finding the Fourth Proportional to 31,341.72, 46,951.06 and 18,166.40

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Solution

The fourth proportional to 31,341.72, 46,951.06 and 18,166.40 is: 27,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.72 : 46,951.06 = 18,166.40 : x
  2. Step 2: Convert to fraction form
    31,341.72/46,951.06 = 18,166.40/x
  3. Step 3: Cross multiply
    31,341.72x = 46,951.06 × 18,166.40
  4. Step 4: Simplify right side
    31,341.72x = 852,931,736.38
  5. Step 5: Solve for x
    x = 852,931,736.38/31,341.72
  6. Step 6: Final answer
    x = 27,213.94

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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.