Home / 30,596.24-42,217.80-18,019.28

Finding the Fourth Proportional to 30,596.24, 42,217.80 and 18,019.28

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Solution

The fourth proportional to 30,596.24, 42,217.80 and 18,019.28 is: 24,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,596.24 : 42,217.80 = 18,019.28 : x
  2. Step 2: Convert to fraction form
    30,596.24/42,217.80 = 18,019.28/x
  3. Step 3: Cross multiply
    30,596.24x = 42,217.80 × 18,019.28
  4. Step 4: Simplify right side
    30,596.24x = 760,734,359.18
  5. Step 5: Solve for x
    x = 760,734,359.18/30,596.24
  6. Step 6: Final answer
    x = 24,863.66

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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.