Home / 30,670.91-45,984.82-11,935.16

Finding the Fourth Proportional to 30,670.91, 45,984.82 and 11,935.16

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Solution

The fourth proportional to 30,670.91, 45,984.82 and 11,935.16 is: 17,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.91 : 45,984.82 = 11,935.16 : x
  2. Step 2: Convert to fraction form
    30,670.91/45,984.82 = 11,935.16/x
  3. Step 3: Cross multiply
    30,670.91x = 45,984.82 × 11,935.16
  4. Step 4: Simplify right side
    30,670.91x = 548,836,184.27
  5. Step 5: Solve for x
    x = 548,836,184.27/30,670.91
  6. Step 6: Final answer
    x = 17,894.36

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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.