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Finding the Fourth Proportional to 30,073.01, 45,102.93 and 10,085.31

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Solution

The fourth proportional to 30,073.01, 45,102.93 and 10,085.31 is: 15,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.01 : 45,102.93 = 10,085.31 : x
  2. Step 2: Convert to fraction form
    30,073.01/45,102.93 = 10,085.31/x
  3. Step 3: Cross multiply
    30,073.01x = 45,102.93 × 10,085.31
  4. Step 4: Simplify right side
    30,073.01x = 454,876,993.14
  5. Step 5: Solve for x
    x = 454,876,993.14/30,073.01
  6. Step 6: Final answer
    x = 15,125.76

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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.