Home / 30,346.64-45,491.12-10,612.32

Finding the Fourth Proportional to 30,346.64, 45,491.12 and 10,612.32

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Solution

The fourth proportional to 30,346.64, 45,491.12 and 10,612.32 is: 15,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.64 : 45,491.12 = 10,612.32 : x
  2. Step 2: Convert to fraction form
    30,346.64/45,491.12 = 10,612.32/x
  3. Step 3: Cross multiply
    30,346.64x = 45,491.12 × 10,612.32
  4. Step 4: Simplify right side
    30,346.64x = 482,766,322.60
  5. Step 5: Solve for x
    x = 482,766,322.60/30,346.64
  6. Step 6: Final answer
    x = 15,908.39

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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.