Home / 30,654.12-45,971.46-13,119.24

Finding the Fourth Proportional to 30,654.12, 45,971.46 and 13,119.24

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Solution

The fourth proportional to 30,654.12, 45,971.46 and 13,119.24 is: 19,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.12 : 45,971.46 = 13,119.24 : x
  2. Step 2: Convert to fraction form
    30,654.12/45,971.46 = 13,119.24/x
  3. Step 3: Cross multiply
    30,654.12x = 45,971.46 × 13,119.24
  4. Step 4: Simplify right side
    30,654.12x = 603,110,616.89
  5. Step 5: Solve for x
    x = 603,110,616.89/30,654.12
  6. Step 6: Final answer
    x = 19,674.70

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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.