Home / 30,014.64-45,060.84-18,943.56

Finding the Fourth Proportional to 30,014.64, 45,060.84 and 18,943.56

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Solution

The fourth proportional to 30,014.64, 45,060.84 and 18,943.56 is: 28,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,014.64 : 45,060.84 = 18,943.56 : x
  2. Step 2: Convert to fraction form
    30,014.64/45,060.84 = 18,943.56/x
  3. Step 3: Cross multiply
    30,014.64x = 45,060.84 × 18,943.56
  4. Step 4: Simplify right side
    30,014.64x = 853,612,726.19
  5. Step 5: Solve for x
    x = 853,612,726.19/30,014.64
  6. Step 6: Final answer
    x = 28,439.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.