Home / 32,090.12-48,115.13-12,345.15

Finding the Fourth Proportional to 32,090.12, 48,115.13 and 12,345.15

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Solution

The fourth proportional to 32,090.12, 48,115.13 and 12,345.15 is: 18,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,090.12 : 48,115.13 = 12,345.15 : x
  2. Step 2: Convert to fraction form
    32,090.12/48,115.13 = 12,345.15/x
  3. Step 3: Cross multiply
    32,090.12x = 48,115.13 × 12,345.15
  4. Step 4: Simplify right side
    32,090.12x = 593,988,435.39
  5. Step 5: Solve for x
    x = 593,988,435.39/32,090.12
  6. Step 6: Final answer
    x = 18,510.01

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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.