Home / 20,376.01-30,558.14-5,585.41

Finding the Fourth Proportional to 20,376.01, 30,558.14 and 5,585.41

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Solution

The fourth proportional to 20,376.01, 30,558.14 and 5,585.41 is: 8,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376.01 : 30,558.14 = 5,585.41 : x
  2. Step 2: Convert to fraction form
    20,376.01/30,558.14 = 5,585.41/x
  3. Step 3: Cross multiply
    20,376.01x = 30,558.14 × 5,585.41
  4. Step 4: Simplify right side
    20,376.01x = 170,679,740.74
  5. Step 5: Solve for x
    x = 170,679,740.74/20,376.01
  6. Step 6: Final answer
    x = 8,376.50

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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.