Home / 30,112.74-45,175.17-10,392.06

Finding the Fourth Proportional to 30,112.74, 45,175.17 and 10,392.06

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Solution

The fourth proportional to 30,112.74, 45,175.17 and 10,392.06 is: 15,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.74 : 45,175.17 = 10,392.06 : x
  2. Step 2: Convert to fraction form
    30,112.74/45,175.17 = 10,392.06/x
  3. Step 3: Cross multiply
    30,112.74x = 45,175.17 × 10,392.06
  4. Step 4: Simplify right side
    30,112.74x = 469,463,077.15
  5. Step 5: Solve for x
    x = 469,463,077.15/30,112.74
  6. Step 6: Final answer
    x = 15,590.18

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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.