Home / 32,810.48-45,278.40-18,469.20

Finding the Fourth Proportional to 32,810.48, 45,278.40 and 18,469.20

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Solution

The fourth proportional to 32,810.48, 45,278.40 and 18,469.20 is: 25,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,810.48 : 45,278.40 = 18,469.20 : x
  2. Step 2: Convert to fraction form
    32,810.48/45,278.40 = 18,469.20/x
  3. Step 3: Cross multiply
    32,810.48x = 45,278.40 × 18,469.20
  4. Step 4: Simplify right side
    32,810.48x = 836,255,825.28
  5. Step 5: Solve for x
    x = 836,255,825.28/32,810.48
  6. Step 6: Final answer
    x = 25,487.46

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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.