Home / 30,429.21-45,575.76-17,590.65

Finding the Fourth Proportional to 30,429.21, 45,575.76 and 17,590.65

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Solution

The fourth proportional to 30,429.21, 45,575.76 and 17,590.65 is: 26,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.21 : 45,575.76 = 17,590.65 : x
  2. Step 2: Convert to fraction form
    30,429.21/45,575.76 = 17,590.65/x
  3. Step 3: Cross multiply
    30,429.21x = 45,575.76 × 17,590.65
  4. Step 4: Simplify right side
    30,429.21x = 801,707,295.12
  5. Step 5: Solve for x
    x = 801,707,295.12/30,429.21
  6. Step 6: Final answer
    x = 26,346.63

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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.