Home / 38,999.64-58,499.46-18,237.72

Finding the Fourth Proportional to 38,999.64, 58,499.46 and 18,237.72

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Solution

The fourth proportional to 38,999.64, 58,499.46 and 18,237.72 is: 27,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.64 : 58,499.46 = 18,237.72 : x
  2. Step 2: Convert to fraction form
    38,999.64/58,499.46 = 18,237.72/x
  3. Step 3: Cross multiply
    38,999.64x = 58,499.46 × 18,237.72
  4. Step 4: Simplify right side
    38,999.64x = 1,066,896,771.63
  5. Step 5: Solve for x
    x = 1,066,896,771.63/38,999.64
  6. Step 6: Final answer
    x = 27,356.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.