Home / 56,725.29-78,279.80-35,516.25

Finding the Fourth Proportional to 56,725.29, 78,279.80 and 35,516.25

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Solution

The fourth proportional to 56,725.29, 78,279.80 and 35,516.25 is: 49,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,725.29 : 78,279.80 = 35,516.25 : x
  2. Step 2: Convert to fraction form
    56,725.29/78,279.80 = 35,516.25/x
  3. Step 3: Cross multiply
    56,725.29x = 78,279.80 × 35,516.25
  4. Step 4: Simplify right side
    56,725.29x = 2,780,204,769.17
  5. Step 5: Solve for x
    x = 2,780,204,769.17/56,725.29
  6. Step 6: Final answer
    x = 49,011.73

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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.