Home / 30,340.39-45,507.33-10,619.32

Finding the Fourth Proportional to 30,340.39, 45,507.33 and 10,619.32

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Solution

The fourth proportional to 30,340.39, 45,507.33 and 10,619.32 is: 15,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.39 : 45,507.33 = 10,619.32 : x
  2. Step 2: Convert to fraction form
    30,340.39/45,507.33 = 10,619.32/x
  3. Step 3: Cross multiply
    30,340.39x = 45,507.33 × 10,619.32
  4. Step 4: Simplify right side
    30,340.39x = 483,256,899.62
  5. Step 5: Solve for x
    x = 483,256,899.62/30,340.39
  6. Step 6: Final answer
    x = 15,927.84

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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.