Home / 30,147.54-45,228.15-10,426.27

Finding the Fourth Proportional to 30,147.54, 45,228.15 and 10,426.27

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Solution

The fourth proportional to 30,147.54, 45,228.15 and 10,426.27 is: 15,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.54 : 45,228.15 = 10,426.27 : x
  2. Step 2: Convert to fraction form
    30,147.54/45,228.15 = 10,426.27/x
  3. Step 3: Cross multiply
    30,147.54x = 45,228.15 × 10,426.27
  4. Step 4: Simplify right side
    30,147.54x = 471,560,845.91
  5. Step 5: Solve for x
    x = 471,560,845.91/30,147.54
  6. Step 6: Final answer
    x = 15,641.77

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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.