Home / 30,330.22-45,464.55-11,605.45

Finding the Fourth Proportional to 30,330.22, 45,464.55 and 11,605.45

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Solution

The fourth proportional to 30,330.22, 45,464.55 and 11,605.45 is: 17,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.22 : 45,464.55 = 11,605.45 : x
  2. Step 2: Convert to fraction form
    30,330.22/45,464.55 = 11,605.45/x
  3. Step 3: Cross multiply
    30,330.22x = 45,464.55 × 11,605.45
  4. Step 4: Simplify right side
    30,330.22x = 527,636,561.80
  5. Step 5: Solve for x
    x = 527,636,561.80/30,330.22
  6. Step 6: Final answer
    x = 17,396.40

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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.