Home / 30,591.07-45,886.61-8,406.79

Finding the Fourth Proportional to 30,591.07, 45,886.61 and 8,406.79

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Solution

The fourth proportional to 30,591.07, 45,886.61 and 8,406.79 is: 12,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.07 : 45,886.61 = 8,406.79 : x
  2. Step 2: Convert to fraction form
    30,591.07/45,886.61 = 8,406.79/x
  3. Step 3: Cross multiply
    30,591.07x = 45,886.61 × 8,406.79
  4. Step 4: Simplify right side
    30,591.07x = 385,759,094.08
  5. Step 5: Solve for x
    x = 385,759,094.08/30,591.07
  6. Step 6: Final answer
    x = 12,610.19

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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.