Home / 51,725.56-71,389.38-30,507.16

Finding the Fourth Proportional to 51,725.56, 71,389.38 and 30,507.16

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Solution

The fourth proportional to 51,725.56, 71,389.38 and 30,507.16 is: 42,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,725.56 : 71,389.38 = 30,507.16 : x
  2. Step 2: Convert to fraction form
    51,725.56/71,389.38 = 30,507.16/x
  3. Step 3: Cross multiply
    51,725.56x = 71,389.38 × 30,507.16
  4. Step 4: Simplify right side
    51,725.56x = 2,177,887,237.96
  5. Step 5: Solve for x
    x = 2,177,887,237.96/51,725.56
  6. Step 6: Final answer
    x = 42,104.66

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1.5x scale

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.