Home / 30,126.18-45,189.04-9,066.13

Finding the Fourth Proportional to 30,126.18, 45,189.04 and 9,066.13

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Solution

The fourth proportional to 30,126.18, 45,189.04 and 9,066.13 is: 13,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.18 : 45,189.04 = 9,066.13 : x
  2. Step 2: Convert to fraction form
    30,126.18/45,189.04 = 9,066.13/x
  3. Step 3: Cross multiply
    30,126.18x = 45,189.04 × 9,066.13
  4. Step 4: Simplify right side
    30,126.18x = 409,689,439.94
  5. Step 5: Solve for x
    x = 409,689,439.94/30,126.18
  6. Step 6: Final answer
    x = 13,599.12

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Double scale
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Similar ratio
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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.