Home / 39,372.03-54,332.67-21,467.19

Finding the Fourth Proportional to 39,372.03, 54,332.67 and 21,467.19

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Solution

The fourth proportional to 39,372.03, 54,332.67 and 21,467.19 is: 29,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.03 : 54,332.67 = 21,467.19 : x
  2. Step 2: Convert to fraction form
    39,372.03/54,332.67 = 21,467.19/x
  3. Step 3: Cross multiply
    39,372.03x = 54,332.67 × 21,467.19
  4. Step 4: Simplify right side
    39,372.03x = 1,166,369,750.10
  5. Step 5: Solve for x
    x = 1,166,369,750.10/39,372.03
  6. Step 6: Final answer
    x = 29,624.32

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Half scale
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Double scale
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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.