Home / 60,586.72-90,890.40-20,601.52

Finding the Fourth Proportional to 60,586.72, 90,890.40 and 20,601.52

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Solution

The fourth proportional to 60,586.72, 90,890.40 and 20,601.52 is: 30,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,586.72 : 90,890.40 = 20,601.52 : x
  2. Step 2: Convert to fraction form
    60,586.72/90,890.40 = 20,601.52/x
  3. Step 3: Cross multiply
    60,586.72x = 90,890.40 × 20,601.52
  4. Step 4: Simplify right side
    60,586.72x = 1,872,480,393.41
  5. Step 5: Solve for x
    x = 1,872,480,393.41/60,586.72
  6. Step 6: Final answer
    x = 30,905.79

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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.