Home / 30,124.68-45,195.66-11,669.64

Finding the Fourth Proportional to 30,124.68, 45,195.66 and 11,669.64

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Solution

The fourth proportional to 30,124.68, 45,195.66 and 11,669.64 is: 17,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.68 : 45,195.66 = 11,669.64 : x
  2. Step 2: Convert to fraction form
    30,124.68/45,195.66 = 11,669.64/x
  3. Step 3: Cross multiply
    30,124.68x = 45,195.66 × 11,669.64
  4. Step 4: Simplify right side
    30,124.68x = 527,417,081.76
  5. Step 5: Solve for x
    x = 527,417,081.76/30,124.68
  6. Step 6: Final answer
    x = 17,507.81

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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.