Home / 30,286.30-45,391.65-15,501.10

Finding the Fourth Proportional to 30,286.30, 45,391.65 and 15,501.10

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Solution

The fourth proportional to 30,286.30, 45,391.65 and 15,501.10 is: 23,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.30 : 45,391.65 = 15,501.10 : x
  2. Step 2: Convert to fraction form
    30,286.30/45,391.65 = 15,501.10/x
  3. Step 3: Cross multiply
    30,286.30x = 45,391.65 × 15,501.10
  4. Step 4: Simplify right side
    30,286.30x = 703,620,505.82
  5. Step 5: Solve for x
    x = 703,620,505.82/30,286.30
  6. Step 6: Final answer
    x = 23,232.30

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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.