Home / 51,471.64-71,021.64-30,255.16

Finding the Fourth Proportional to 51,471.64, 71,021.64 and 30,255.16

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Solution

The fourth proportional to 51,471.64, 71,021.64 and 30,255.16 is: 41,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,471.64 : 71,021.64 = 30,255.16 : x
  2. Step 2: Convert to fraction form
    51,471.64/71,021.64 = 30,255.16/x
  3. Step 3: Cross multiply
    51,471.64x = 71,021.64 × 30,255.16
  4. Step 4: Simplify right side
    51,471.64x = 2,148,771,081.66
  5. Step 5: Solve for x
    x = 2,148,771,081.66/51,471.64
  6. Step 6: Final answer
    x = 41,746.70

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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.