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Finding the Fourth Proportional to 60,586.65, 90,893.07 and 18,465.64

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Solution

The fourth proportional to 60,586.65, 90,893.07 and 18,465.64 is: 27,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,586.65 : 90,893.07 = 18,465.64 : x
  2. Step 2: Convert to fraction form
    60,586.65/90,893.07 = 18,465.64/x
  3. Step 3: Cross multiply
    60,586.65x = 90,893.07 × 18,465.64
  4. Step 4: Simplify right side
    60,586.65x = 1,678,398,481.88
  5. Step 5: Solve for x
    x = 1,678,398,481.88/60,586.65
  6. Step 6: Final answer
    x = 27,702.45

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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.