Home / 30,513.28-45,846.60-19,424.92

Finding the Fourth Proportional to 30,513.28, 45,846.60 and 19,424.92

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Solution

The fourth proportional to 30,513.28, 45,846.60 and 19,424.92 is: 29,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,513.28 : 45,846.60 = 19,424.92 : x
  2. Step 2: Convert to fraction form
    30,513.28/45,846.60 = 19,424.92/x
  3. Step 3: Cross multiply
    30,513.28x = 45,846.60 × 19,424.92
  4. Step 4: Simplify right side
    30,513.28x = 890,566,537.27
  5. Step 5: Solve for x
    x = 890,566,537.27/30,513.28
  6. Step 6: Final answer
    x = 29,186.19

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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.