Home / 20,125.55-30,188.57-6,085.71

Finding the Fourth Proportional to 20,125.55, 30,188.57 and 6,085.71

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Solution

The fourth proportional to 20,125.55, 30,188.57 and 6,085.71 is: 9,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.55 : 30,188.57 = 6,085.71 : x
  2. Step 2: Convert to fraction form
    20,125.55/30,188.57 = 6,085.71/x
  3. Step 3: Cross multiply
    20,125.55x = 30,188.57 × 6,085.71
  4. Step 4: Simplify right side
    20,125.55x = 183,718,851.91
  5. Step 5: Solve for x
    x = 183,718,851.91/20,125.55
  6. Step 6: Final answer
    x = 9,128.64

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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.