Home / 30,088.43-45,138.86-9,027.62

Finding the Fourth Proportional to 30,088.43, 45,138.86 and 9,027.62

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Solution

The fourth proportional to 30,088.43, 45,138.86 and 9,027.62 is: 13,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.43 : 45,138.86 = 9,027.62 : x
  2. Step 2: Convert to fraction form
    30,088.43/45,138.86 = 9,027.62/x
  3. Step 3: Cross multiply
    30,088.43x = 45,138.86 × 9,027.62
  4. Step 4: Simplify right side
    30,088.43x = 407,496,204.48
  5. Step 5: Solve for x
    x = 407,496,204.48/30,088.43
  6. Step 6: Final answer
    x = 13,543.29

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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.