Home / 60,324.16-90,511.08-20,908.96

Finding the Fourth Proportional to 60,324.16, 90,511.08 and 20,908.96

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Solution

The fourth proportional to 60,324.16, 90,511.08 and 20,908.96 is: 31,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,324.16 : 90,511.08 = 20,908.96 : x
  2. Step 2: Convert to fraction form
    60,324.16/90,511.08 = 20,908.96/x
  3. Step 3: Cross multiply
    60,324.16x = 90,511.08 × 20,908.96
  4. Step 4: Simplify right side
    60,324.16x = 1,892,492,551.28
  5. Step 5: Solve for x
    x = 1,892,492,551.28/60,324.16
  6. Step 6: Final answer
    x = 31,372.05

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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.