Home / 30,864.08-42,592.42-16,716.92

Finding the Fourth Proportional to 30,864.08, 42,592.42 and 16,716.92

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Solution

The fourth proportional to 30,864.08, 42,592.42 and 16,716.92 is: 23,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.08 : 42,592.42 = 16,716.92 : x
  2. Step 2: Convert to fraction form
    30,864.08/42,592.42 = 16,716.92/x
  3. Step 3: Cross multiply
    30,864.08x = 42,592.42 × 16,716.92
  4. Step 4: Simplify right side
    30,864.08x = 712,014,077.75
  5. Step 5: Solve for x
    x = 712,014,077.75/30,864.08
  6. Step 6: Final answer
    x = 23,069.34

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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.