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Finding the Fourth Proportional to 20,045.70, 30,062.75 and 6,005.16

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Solution

The fourth proportional to 20,045.70, 30,062.75 and 6,005.16 is: 9,006.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.70 : 30,062.75 = 6,005.16 : x
  2. Step 2: Convert to fraction form
    20,045.70/30,062.75 = 6,005.16/x
  3. Step 3: Cross multiply
    20,045.70x = 30,062.75 × 6,005.16
  4. Step 4: Simplify right side
    20,045.70x = 180,531,593.76
  5. Step 5: Solve for x
    x = 180,531,593.76/20,045.70
  6. Step 6: Final answer
    x = 9,006.00

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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.