Home / 38,173.83-52,677.39-21,178.03

Finding the Fourth Proportional to 38,173.83, 52,677.39 and 21,178.03

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Solution

The fourth proportional to 38,173.83, 52,677.39 and 21,178.03 is: 29,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,173.83 : 52,677.39 = 21,178.03 : x
  2. Step 2: Convert to fraction form
    38,173.83/52,677.39 = 21,178.03/x
  3. Step 3: Cross multiply
    38,173.83x = 52,677.39 × 21,178.03
  4. Step 4: Simplify right side
    38,173.83x = 1,115,603,421.26
  5. Step 5: Solve for x
    x = 1,115,603,421.26/38,173.83
  6. Step 6: Final answer
    x = 29,224.30

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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.