Home / 30,950.33-42,710.81-16,803.18

Finding the Fourth Proportional to 30,950.33, 42,710.81 and 16,803.18

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Solution

The fourth proportional to 30,950.33, 42,710.81 and 16,803.18 is: 23,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,950.33 : 42,710.81 = 16,803.18 : x
  2. Step 2: Convert to fraction form
    30,950.33/42,710.81 = 16,803.18/x
  3. Step 3: Cross multiply
    30,950.33x = 42,710.81 × 16,803.18
  4. Step 4: Simplify right side
    30,950.33x = 717,677,344.36
  5. Step 5: Solve for x
    x = 717,677,344.36/30,950.33
  6. Step 6: Final answer
    x = 23,188.04

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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.