Home / 30,635.15-42,276.26-17,206.36

Finding the Fourth Proportional to 30,635.15, 42,276.26 and 17,206.36

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Solution

The fourth proportional to 30,635.15, 42,276.26 and 17,206.36 is: 23,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.15 : 42,276.26 = 17,206.36 : x
  2. Step 2: Convert to fraction form
    30,635.15/42,276.26 = 17,206.36/x
  3. Step 3: Cross multiply
    30,635.15x = 42,276.26 × 17,206.36
  4. Step 4: Simplify right side
    30,635.15x = 727,420,486.34
  5. Step 5: Solve for x
    x = 727,420,486.34/30,635.15
  6. Step 6: Final answer
    x = 23,744.64

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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.