Home / 30,073.51-45,103.68-10,085.81

Finding the Fourth Proportional to 30,073.51, 45,103.68 and 10,085.81

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Solution

The fourth proportional to 30,073.51, 45,103.68 and 10,085.81 is: 15,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.51 : 45,103.68 = 10,085.81 : x
  2. Step 2: Convert to fraction form
    30,073.51/45,103.68 = 10,085.81/x
  3. Step 3: Cross multiply
    30,073.51x = 45,103.68 × 10,085.81
  4. Step 4: Simplify right side
    30,073.51x = 454,907,096.35
  5. Step 5: Solve for x
    x = 454,907,096.35/30,073.51
  6. Step 6: Final answer
    x = 15,126.51

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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.