Home / 30,813.26-42,522.24-16,666.11

Finding the Fourth Proportional to 30,813.26, 42,522.24 and 16,666.11

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Solution

The fourth proportional to 30,813.26, 42,522.24 and 16,666.11 is: 22,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813.26 : 42,522.24 = 16,666.11 : x
  2. Step 2: Convert to fraction form
    30,813.26/42,522.24 = 16,666.11/x
  3. Step 3: Cross multiply
    30,813.26x = 42,522.24 × 16,666.11
  4. Step 4: Simplify right side
    30,813.26x = 708,680,329.29
  5. Step 5: Solve for x
    x = 708,680,329.29/30,813.26
  6. Step 6: Final answer
    x = 22,999.20

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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.