Home / 30,318.38-45,484.23-9,260.18

Finding the Fourth Proportional to 30,318.38, 45,484.23 and 9,260.18

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Solution

The fourth proportional to 30,318.38, 45,484.23 and 9,260.18 is: 13,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.38 : 45,484.23 = 9,260.18 : x
  2. Step 2: Convert to fraction form
    30,318.38/45,484.23 = 9,260.18/x
  3. Step 3: Cross multiply
    30,318.38x = 45,484.23 × 9,260.18
  4. Step 4: Simplify right side
    30,318.38x = 421,192,156.96
  5. Step 5: Solve for x
    x = 421,192,156.96/30,318.38
  6. Step 6: Final answer
    x = 13,892.30

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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.