Home / 32,480.40-44,820.18-18,331.32

Finding the Fourth Proportional to 32,480.40, 44,820.18 and 18,331.32

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Solution

The fourth proportional to 32,480.40, 44,820.18 and 18,331.32 is: 25,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,480.40 : 44,820.18 = 18,331.32 : x
  2. Step 2: Convert to fraction form
    32,480.40/44,820.18 = 18,331.32/x
  3. Step 3: Cross multiply
    32,480.40x = 44,820.18 × 18,331.32
  4. Step 4: Simplify right side
    32,480.40x = 821,613,062.04
  5. Step 5: Solve for x
    x = 821,613,062.04/32,480.40
  6. Step 6: Final answer
    x = 25,295.66

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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.