Home / 30,289.73-45,441.90-9,513.23

Finding the Fourth Proportional to 30,289.73, 45,441.90 and 9,513.23

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Solution

The fourth proportional to 30,289.73, 45,441.90 and 9,513.23 is: 14,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.73 : 45,441.90 = 9,513.23 : x
  2. Step 2: Convert to fraction form
    30,289.73/45,441.90 = 9,513.23/x
  3. Step 3: Cross multiply
    30,289.73x = 45,441.90 × 9,513.23
  4. Step 4: Simplify right side
    30,289.73x = 432,299,019.13
  5. Step 5: Solve for x
    x = 432,299,019.13/30,289.73
  6. Step 6: Final answer
    x = 14,272.13

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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.