Home / 30,173.04-45,280.35-13,551.71

Finding the Fourth Proportional to 30,173.04, 45,280.35 and 13,551.71

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Solution

The fourth proportional to 30,173.04, 45,280.35 and 13,551.71 is: 20,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.04 : 45,280.35 = 13,551.71 : x
  2. Step 2: Convert to fraction form
    30,173.04/45,280.35 = 13,551.71/x
  3. Step 3: Cross multiply
    30,173.04x = 45,280.35 × 13,551.71
  4. Step 4: Simplify right side
    30,173.04x = 613,625,945.50
  5. Step 5: Solve for x
    x = 613,625,945.50/30,173.04
  6. Step 6: Final answer
    x = 20,336.89

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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.