Home / 30,071.49-41,498.08-16,642.75

Finding the Fourth Proportional to 30,071.49, 41,498.08 and 16,642.75

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Solution

The fourth proportional to 30,071.49, 41,498.08 and 16,642.75 is: 22,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.49 : 41,498.08 = 16,642.75 : x
  2. Step 2: Convert to fraction form
    30,071.49/41,498.08 = 16,642.75/x
  3. Step 3: Cross multiply
    30,071.49x = 41,498.08 × 16,642.75
  4. Step 4: Simplify right side
    30,071.49x = 690,642,170.92
  5. Step 5: Solve for x
    x = 690,642,170.92/30,071.49
  6. Step 6: Final answer
    x = 22,966.68

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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.