Home / 47,211.13-70,827.69-15,619.91

Finding the Fourth Proportional to 47,211.13, 70,827.69 and 15,619.91

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Solution

The fourth proportional to 47,211.13, 70,827.69 and 15,619.91 is: 23,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.13 : 70,827.69 = 15,619.91 : x
  2. Step 2: Convert to fraction form
    47,211.13/70,827.69 = 15,619.91/x
  3. Step 3: Cross multiply
    47,211.13x = 70,827.69 × 15,619.91
  4. Step 4: Simplify right side
    47,211.13x = 1,106,322,320.38
  5. Step 5: Solve for x
    x = 1,106,322,320.38/47,211.13
  6. Step 6: Final answer
    x = 23,433.51

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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.