Home / 32,389.12-44,693.60-18,240.80

Finding the Fourth Proportional to 32,389.12, 44,693.60 and 18,240.80

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Solution

The fourth proportional to 32,389.12, 44,693.60 and 18,240.80 is: 25,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.12 : 44,693.60 = 18,240.80 : x
  2. Step 2: Convert to fraction form
    32,389.12/44,693.60 = 18,240.80/x
  3. Step 3: Cross multiply
    32,389.12x = 44,693.60 × 18,240.80
  4. Step 4: Simplify right side
    32,389.12x = 815,247,018.88
  5. Step 5: Solve for x
    x = 815,247,018.88/32,389.12
  6. Step 6: Final answer
    x = 25,170.40

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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.