Home / 69,769.40-96,279.75-39,557.52

Finding the Fourth Proportional to 69,769.40, 96,279.75 and 39,557.52

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Solution

The fourth proportional to 69,769.40, 96,279.75 and 39,557.52 is: 54,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,769.40 : 96,279.75 = 39,557.52 : x
  2. Step 2: Convert to fraction form
    69,769.40/96,279.75 = 39,557.52/x
  3. Step 3: Cross multiply
    69,769.40x = 96,279.75 × 39,557.52
  4. Step 4: Simplify right side
    69,769.40x = 3,808,588,136.22
  5. Step 5: Solve for x
    x = 3,808,588,136.22/69,769.40
  6. Step 6: Final answer
    x = 54,588.24

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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.