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Finding the Fourth Proportional to 60,351.96, 90,492.64 and 18,219.40

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Solution

The fourth proportional to 60,351.96, 90,492.64 and 18,219.40 is: 27,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,351.96 : 90,492.64 = 18,219.40 : x
  2. Step 2: Convert to fraction form
    60,351.96/90,492.64 = 18,219.40/x
  3. Step 3: Cross multiply
    60,351.96x = 90,492.64 × 18,219.40
  4. Step 4: Simplify right side
    60,351.96x = 1,648,721,605.22
  5. Step 5: Solve for x
    x = 1,648,721,605.22/60,351.96
  6. Step 6: Final answer
    x = 27,318.44

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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.