Home / 30,142.04-45,217.94-9,370.36

Finding the Fourth Proportional to 30,142.04, 45,217.94 and 9,370.36

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Solution

The fourth proportional to 30,142.04, 45,217.94 and 9,370.36 is: 14,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,142.04 : 45,217.94 = 9,370.36 : x
  2. Step 2: Convert to fraction form
    30,142.04/45,217.94 = 9,370.36/x
  3. Step 3: Cross multiply
    30,142.04x = 45,217.94 × 9,370.36
  4. Step 4: Simplify right side
    30,142.04x = 423,708,376.26
  5. Step 5: Solve for x
    x = 423,708,376.26/30,142.04
  6. Step 6: Final answer
    x = 14,057.06

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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.