Home / 57,790.00-86,710.04-20,376.80

Finding the Fourth Proportional to 57,790.00, 86,710.04 and 20,376.80

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Solution

The fourth proportional to 57,790.00, 86,710.04 and 20,376.80 is: 30,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,790.00 : 86,710.04 = 20,376.80 : x
  2. Step 2: Convert to fraction form
    57,790.00/86,710.04 = 20,376.80/x
  3. Step 3: Cross multiply
    57,790.00x = 86,710.04 × 20,376.80
  4. Step 4: Simplify right side
    57,790.00x = 1,766,872,684.05
  5. Step 5: Solve for x
    x = 1,766,872,684.05/57,790.00
  6. Step 6: Final answer
    x = 30,574.02

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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.