Home / 30,666.06-42,322.91-17,237.88

Finding the Fourth Proportional to 30,666.06, 42,322.91 and 17,237.88

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Solution

The fourth proportional to 30,666.06, 42,322.91 and 17,237.88 is: 23,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,666.06 : 42,322.91 = 17,237.88 : x
  2. Step 2: Convert to fraction form
    30,666.06/42,322.91 = 17,237.88/x
  3. Step 3: Cross multiply
    30,666.06x = 42,322.91 × 17,237.88
  4. Step 4: Simplify right side
    30,666.06x = 729,557,157.64
  5. Step 5: Solve for x
    x = 729,557,157.64/30,666.06
  6. Step 6: Final answer
    x = 23,790.38

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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.