Home / 30,340.31-45,530.96-10,619.03

Finding the Fourth Proportional to 30,340.31, 45,530.96 and 10,619.03

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Solution

The fourth proportional to 30,340.31, 45,530.96 and 10,619.03 is: 15,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.31 : 45,530.96 = 10,619.03 : x
  2. Step 2: Convert to fraction form
    30,340.31/45,530.96 = 10,619.03/x
  3. Step 3: Cross multiply
    30,340.31x = 45,530.96 × 10,619.03
  4. Step 4: Simplify right side
    30,340.31x = 483,494,630.17
  5. Step 5: Solve for x
    x = 483,494,630.17/30,340.31
  6. Step 6: Final answer
    x = 15,935.72

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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.