Home / 38,518.96-53,155.16-21,523.34

Finding the Fourth Proportional to 38,518.96, 53,155.16 and 21,523.34

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Solution

The fourth proportional to 38,518.96, 53,155.16 and 21,523.34 is: 29,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,518.96 : 53,155.16 = 21,523.34 : x
  2. Step 2: Convert to fraction form
    38,518.96/53,155.16 = 21,523.34/x
  3. Step 3: Cross multiply
    38,518.96x = 53,155.16 × 21,523.34
  4. Step 4: Simplify right side
    38,518.96x = 1,144,076,581.43
  5. Step 5: Solve for x
    x = 1,144,076,581.43/38,518.96
  6. Step 6: Final answer
    x = 29,701.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.