Home / 30,490.85-45,724.88-10,494.74

Finding the Fourth Proportional to 30,490.85, 45,724.88 and 10,494.74

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Solution

The fourth proportional to 30,490.85, 45,724.88 and 10,494.74 is: 15,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490.85 : 45,724.88 = 10,494.74 : x
  2. Step 2: Convert to fraction form
    30,490.85/45,724.88 = 10,494.74/x
  3. Step 3: Cross multiply
    30,490.85x = 45,724.88 × 10,494.74
  4. Step 4: Simplify right side
    30,490.85x = 479,870,446.03
  5. Step 5: Solve for x
    x = 479,870,446.03/30,490.85
  6. Step 6: Final answer
    x = 15,738.18

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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.