Home / 39,429.08-54,412.64-23,522.72

Finding the Fourth Proportional to 39,429.08, 54,412.64 and 23,522.72

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Solution

The fourth proportional to 39,429.08, 54,412.64 and 23,522.72 is: 32,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.08 : 54,412.64 = 23,522.72 : x
  2. Step 2: Convert to fraction form
    39,429.08/54,412.64 = 23,522.72/x
  3. Step 3: Cross multiply
    39,429.08x = 54,412.64 × 23,522.72
  4. Step 4: Simplify right side
    39,429.08x = 1,279,933,295.18
  5. Step 5: Solve for x
    x = 1,279,933,295.18/39,429.08
  6. Step 6: Final answer
    x = 32,461.66

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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.