Home / 30,355.07-45,501.42-11,630.03

Finding the Fourth Proportional to 30,355.07, 45,501.42 and 11,630.03

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Solution

The fourth proportional to 30,355.07, 45,501.42 and 11,630.03 is: 17,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.07 : 45,501.42 = 11,630.03 : x
  2. Step 2: Convert to fraction form
    30,355.07/45,501.42 = 11,630.03/x
  3. Step 3: Cross multiply
    30,355.07x = 45,501.42 × 11,630.03
  4. Step 4: Simplify right side
    30,355.07x = 529,182,879.64
  5. Step 5: Solve for x
    x = 529,182,879.64/30,355.07
  6. Step 6: Final answer
    x = 17,433.10

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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.