Home / 69,769.35-96,279.71-39,557.57

Finding the Fourth Proportional to 69,769.35, 96,279.71 and 39,557.57

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Solution

The fourth proportional to 69,769.35, 96,279.71 and 39,557.57 is: 54,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,769.35 : 96,279.71 = 39,557.57 : x
  2. Step 2: Convert to fraction form
    69,769.35/96,279.71 = 39,557.57/x
  3. Step 3: Cross multiply
    69,769.35x = 96,279.71 × 39,557.57
  4. Step 4: Simplify right side
    69,769.35x = 3,808,590,688.72
  5. Step 5: Solve for x
    x = 3,808,590,688.72/69,769.35
  6. Step 6: Final answer
    x = 54,588.31

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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.