Home / 30,349.04-45,529.05-9,288.71

Finding the Fourth Proportional to 30,349.04, 45,529.05 and 9,288.71

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Solution

The fourth proportional to 30,349.04, 45,529.05 and 9,288.71 is: 13,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.04 : 45,529.05 = 9,288.71 : x
  2. Step 2: Convert to fraction form
    30,349.04/45,529.05 = 9,288.71/x
  3. Step 3: Cross multiply
    30,349.04x = 45,529.05 × 9,288.71
  4. Step 4: Simplify right side
    30,349.04x = 422,906,142.03
  5. Step 5: Solve for x
    x = 422,906,142.03/30,349.04
  6. Step 6: Final answer
    x = 13,934.75

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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.