Home / 54,984.03-82,420.56-21,685.74

Finding the Fourth Proportional to 54,984.03, 82,420.56 and 21,685.74

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Solution

The fourth proportional to 54,984.03, 82,420.56 and 21,685.74 is: 32,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,984.03 : 82,420.56 = 21,685.74 : x
  2. Step 2: Convert to fraction form
    54,984.03/82,420.56 = 21,685.74/x
  3. Step 3: Cross multiply
    54,984.03x = 82,420.56 × 21,685.74
  4. Step 4: Simplify right side
    54,984.03x = 1,787,350,834.81
  5. Step 5: Solve for x
    x = 1,787,350,834.81/54,984.03
  6. Step 6: Final answer
    x = 32,506.73

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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.