Home / 32,812.50-45,281.25-20,244.54

Finding the Fourth Proportional to 32,812.50, 45,281.25 and 20,244.54

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Solution

The fourth proportional to 32,812.50, 45,281.25 and 20,244.54 is: 27,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,812.50 : 45,281.25 = 20,244.54 : x
  2. Step 2: Convert to fraction form
    32,812.50/45,281.25 = 20,244.54/x
  3. Step 3: Cross multiply
    32,812.50x = 45,281.25 × 20,244.54
  4. Step 4: Simplify right side
    32,812.50x = 916,698,076.88
  5. Step 5: Solve for x
    x = 916,698,076.88/32,812.50
  6. Step 6: Final answer
    x = 27,937.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.