Home / 30,316.38-45,477.24-9,261.18

Finding the Fourth Proportional to 30,316.38, 45,477.24 and 9,261.18

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Solution

The fourth proportional to 30,316.38, 45,477.24 and 9,261.18 is: 13,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.38 : 45,477.24 = 9,261.18 : x
  2. Step 2: Convert to fraction form
    30,316.38/45,477.24 = 9,261.18/x
  3. Step 3: Cross multiply
    30,316.38x = 45,477.24 × 9,261.18
  4. Step 4: Simplify right side
    30,316.38x = 421,172,905.54
  5. Step 5: Solve for x
    x = 421,172,905.54/30,316.38
  6. Step 6: Final answer
    x = 13,892.59

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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.