Home / 60,667.02-90,956.79-21,213.54

Finding the Fourth Proportional to 60,667.02, 90,956.79 and 21,213.54

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Solution

The fourth proportional to 60,667.02, 90,956.79 and 21,213.54 is: 31,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,667.02 : 90,956.79 = 21,213.54 : x
  2. Step 2: Convert to fraction form
    60,667.02/90,956.79 = 21,213.54/x
  3. Step 3: Cross multiply
    60,667.02x = 90,956.79 × 21,213.54
  4. Step 4: Simplify right side
    60,667.02x = 1,929,515,502.94
  5. Step 5: Solve for x
    x = 1,929,515,502.94/60,667.02
  6. Step 6: Final answer
    x = 31,805.02

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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.