Home / 30,356.61-45,555.38-10,635.35

Finding the Fourth Proportional to 30,356.61, 45,555.38 and 10,635.35

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Solution

The fourth proportional to 30,356.61, 45,555.38 and 10,635.35 is: 15,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356.61 : 45,555.38 = 10,635.35 : x
  2. Step 2: Convert to fraction form
    30,356.61/45,555.38 = 10,635.35/x
  3. Step 3: Cross multiply
    30,356.61x = 45,555.38 × 10,635.35
  4. Step 4: Simplify right side
    30,356.61x = 484,497,129.73
  5. Step 5: Solve for x
    x = 484,497,129.73/30,356.61
  6. Step 6: Final answer
    x = 15,960.19

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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.