Home / 32,145.39-48,135.47-21,019.64

Finding the Fourth Proportional to 32,145.39, 48,135.47 and 21,019.64

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Solution

The fourth proportional to 32,145.39, 48,135.47 and 21,019.64 is: 31,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.39 : 48,135.47 = 21,019.64 : x
  2. Step 2: Convert to fraction form
    32,145.39/48,135.47 = 21,019.64/x
  3. Step 3: Cross multiply
    32,145.39x = 48,135.47 × 21,019.64
  4. Step 4: Simplify right side
    32,145.39x = 1,011,789,904.86
  5. Step 5: Solve for x
    x = 1,011,789,904.86/32,145.39
  6. Step 6: Final answer
    x = 31,475.43

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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.