Home / 30,174.04-45,281.85-13,552.71

Finding the Fourth Proportional to 30,174.04, 45,281.85 and 13,552.71

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Solution

The fourth proportional to 30,174.04, 45,281.85 and 13,552.71 is: 20,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.04 : 45,281.85 = 13,552.71 : x
  2. Step 2: Convert to fraction form
    30,174.04/45,281.85 = 13,552.71/x
  3. Step 3: Cross multiply
    30,174.04x = 45,281.85 × 13,552.71
  4. Step 4: Simplify right side
    30,174.04x = 613,691,781.31
  5. Step 5: Solve for x
    x = 613,691,781.31/30,174.04
  6. Step 6: Final answer
    x = 20,338.40

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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.