Home / 30,818.07-42,527.43-18,069.54

Finding the Fourth Proportional to 30,818.07, 42,527.43 and 18,069.54

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Solution

The fourth proportional to 30,818.07, 42,527.43 and 18,069.54 is: 24,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,818.07 : 42,527.43 = 18,069.54 : x
  2. Step 2: Convert to fraction form
    30,818.07/42,527.43 = 18,069.54/x
  3. Step 3: Cross multiply
    30,818.07x = 42,527.43 × 18,069.54
  4. Step 4: Simplify right side
    30,818.07x = 768,451,097.48
  5. Step 5: Solve for x
    x = 768,451,097.48/30,818.07
  6. Step 6: Final answer
    x = 24,935.08

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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.