Home / 38,174.98-52,681.79-21,180.32

Finding the Fourth Proportional to 38,174.98, 52,681.79 and 21,180.32

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Solution

The fourth proportional to 38,174.98, 52,681.79 and 21,180.32 is: 29,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.98 : 52,681.79 = 21,180.32 : x
  2. Step 2: Convert to fraction form
    38,174.98/52,681.79 = 21,180.32/x
  3. Step 3: Cross multiply
    38,174.98x = 52,681.79 × 21,180.32
  4. Step 4: Simplify right side
    38,174.98x = 1,115,817,157.47
  5. Step 5: Solve for x
    x = 1,115,817,157.47/38,174.98
  6. Step 6: Final answer
    x = 29,229.02

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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.