Home / 30,617.22-45,904.23-11,881.65

Finding the Fourth Proportional to 30,617.22, 45,904.23 and 11,881.65

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Solution

The fourth proportional to 30,617.22, 45,904.23 and 11,881.65 is: 17,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617.22 : 45,904.23 = 11,881.65 : x
  2. Step 2: Convert to fraction form
    30,617.22/45,904.23 = 11,881.65/x
  3. Step 3: Cross multiply
    30,617.22x = 45,904.23 × 11,881.65
  4. Step 4: Simplify right side
    30,617.22x = 545,417,994.38
  5. Step 5: Solve for x
    x = 545,417,994.38/30,617.22
  6. Step 6: Final answer
    x = 17,814.09

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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.