Home / 30,772.05-46,157.40-8,584.80

Finding the Fourth Proportional to 30,772.05, 46,157.40 and 8,584.80

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Solution

The fourth proportional to 30,772.05, 46,157.40 and 8,584.80 is: 12,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.05 : 46,157.40 = 8,584.80 : x
  2. Step 2: Convert to fraction form
    30,772.05/46,157.40 = 8,584.80/x
  3. Step 3: Cross multiply
    30,772.05x = 46,157.40 × 8,584.80
  4. Step 4: Simplify right side
    30,772.05x = 396,252,047.52
  5. Step 5: Solve for x
    x = 396,252,047.52/30,772.05
  6. Step 6: Final answer
    x = 12,877.01

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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.