Home / 30,350.04-45,530.55-9,289.71

Finding the Fourth Proportional to 30,350.04, 45,530.55 and 9,289.71

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Solution

The fourth proportional to 30,350.04, 45,530.55 and 9,289.71 is: 13,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.04 : 45,530.55 = 9,289.71 : x
  2. Step 2: Convert to fraction form
    30,350.04/45,530.55 = 9,289.71/x
  3. Step 3: Cross multiply
    30,350.04x = 45,530.55 × 9,289.71
  4. Step 4: Simplify right side
    30,350.04x = 422,965,605.64
  5. Step 5: Solve for x
    x = 422,965,605.64/30,350.04
  6. Step 6: Final answer
    x = 13,936.25

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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.