Home / 32,465.12-48,705.60-9,091.20

Finding the Fourth Proportional to 32,465.12, 48,705.60 and 9,091.20

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Solution

The fourth proportional to 32,465.12, 48,705.60 and 9,091.20 is: 13,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,465.12 : 48,705.60 = 9,091.20 : x
  2. Step 2: Convert to fraction form
    32,465.12/48,705.60 = 9,091.20/x
  3. Step 3: Cross multiply
    32,465.12x = 48,705.60 × 9,091.20
  4. Step 4: Simplify right side
    32,465.12x = 442,792,350.72
  5. Step 5: Solve for x
    x = 442,792,350.72/32,465.12
  6. Step 6: Final answer
    x = 13,639.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.