Home / 30,369.84-45,560.12-10,374.66

Finding the Fourth Proportional to 30,369.84, 45,560.12 and 10,374.66

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Solution

The fourth proportional to 30,369.84, 45,560.12 and 10,374.66 is: 15,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.84 : 45,560.12 = 10,374.66 : x
  2. Step 2: Convert to fraction form
    30,369.84/45,560.12 = 10,374.66/x
  3. Step 3: Cross multiply
    30,369.84x = 45,560.12 × 10,374.66
  4. Step 4: Simplify right side
    30,369.84x = 472,670,754.56
  5. Step 5: Solve for x
    x = 472,670,754.56/30,369.84
  6. Step 6: Final answer
    x = 15,563.82

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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.