Home / 32,355.28-44,645.16-18,205.36

Finding the Fourth Proportional to 32,355.28, 44,645.16 and 18,205.36

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Solution

The fourth proportional to 32,355.28, 44,645.16 and 18,205.36 is: 25,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,355.28 : 44,645.16 = 18,205.36 : x
  2. Step 2: Convert to fraction form
    32,355.28/44,645.16 = 18,205.36/x
  3. Step 3: Cross multiply
    32,355.28x = 44,645.16 × 18,205.36
  4. Step 4: Simplify right side
    32,355.28x = 812,781,210.06
  5. Step 5: Solve for x
    x = 812,781,210.06/32,355.28
  6. Step 6: Final answer
    x = 25,120.51

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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.