Home / 32,121.21-48,154.15-15,458.32

Finding the Fourth Proportional to 32,121.21, 48,154.15 and 15,458.32

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Solution

The fourth proportional to 32,121.21, 48,154.15 and 15,458.32 is: 23,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.21 : 48,154.15 = 15,458.32 : x
  2. Step 2: Convert to fraction form
    32,121.21/48,154.15 = 15,458.32/x
  3. Step 3: Cross multiply
    32,121.21x = 48,154.15 × 15,458.32
  4. Step 4: Simplify right side
    32,121.21x = 744,381,980.61
  5. Step 5: Solve for x
    x = 744,381,980.61/32,121.21
  6. Step 6: Final answer
    x = 23,174.16

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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.