Home / 51,718.32-71,375.58-30,501.72

Finding the Fourth Proportional to 51,718.32, 71,375.58 and 30,501.72

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Solution

The fourth proportional to 51,718.32, 71,375.58 and 30,501.72 is: 42,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.32 : 71,375.58 = 30,501.72 : x
  2. Step 2: Convert to fraction form
    51,718.32/71,375.58 = 30,501.72/x
  3. Step 3: Cross multiply
    51,718.32x = 71,375.58 × 30,501.72
  4. Step 4: Simplify right side
    51,718.32x = 2,177,077,956.00
  5. Step 5: Solve for x
    x = 2,177,077,956.00/51,718.32
  6. Step 6: Final answer
    x = 42,094.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.