Home / 30,557.83-45,827.16-11,836.57

Finding the Fourth Proportional to 30,557.83, 45,827.16 and 11,836.57

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Solution

The fourth proportional to 30,557.83, 45,827.16 and 11,836.57 is: 17,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.83 : 45,827.16 = 11,836.57 : x
  2. Step 2: Convert to fraction form
    30,557.83/45,827.16 = 11,836.57/x
  3. Step 3: Cross multiply
    30,557.83x = 45,827.16 × 11,836.57
  4. Step 4: Simplify right side
    30,557.83x = 542,436,387.24
  5. Step 5: Solve for x
    x = 542,436,387.24/30,557.83
  6. Step 6: Final answer
    x = 17,751.14

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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.