Home / 30,065.21-41,493.15-17,318.91

Finding the Fourth Proportional to 30,065.21, 41,493.15 and 17,318.91

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Solution

The fourth proportional to 30,065.21, 41,493.15 and 17,318.91 is: 23,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.21 : 41,493.15 = 17,318.91 : x
  2. Step 2: Convert to fraction form
    30,065.21/41,493.15 = 17,318.91/x
  3. Step 3: Cross multiply
    30,065.21x = 41,493.15 × 17,318.91
  4. Step 4: Simplify right side
    30,065.21x = 718,616,130.47
  5. Step 5: Solve for x
    x = 718,616,130.47/30,065.21
  6. Step 6: Final answer
    x = 23,901.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.