Home / 30,245.24-45,368.68-11,522.90

Finding the Fourth Proportional to 30,245.24, 45,368.68 and 11,522.90

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Solution

The fourth proportional to 30,245.24, 45,368.68 and 11,522.90 is: 17,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.24 : 45,368.68 = 11,522.90 : x
  2. Step 2: Convert to fraction form
    30,245.24/45,368.68 = 11,522.90/x
  3. Step 3: Cross multiply
    30,245.24x = 45,368.68 × 11,522.90
  4. Step 4: Simplify right side
    30,245.24x = 522,778,762.77
  5. Step 5: Solve for x
    x = 522,778,762.77/30,245.24
  6. Step 6: Final answer
    x = 17,284.66

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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.