Home / 30,141.06-45,239.62-15,361.08

Finding the Fourth Proportional to 30,141.06, 45,239.62 and 15,361.08

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Solution

The fourth proportional to 30,141.06, 45,239.62 and 15,361.08 is: 23,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.06 : 45,239.62 = 15,361.08 : x
  2. Step 2: Convert to fraction form
    30,141.06/45,239.62 = 15,361.08/x
  3. Step 3: Cross multiply
    30,141.06x = 45,239.62 × 15,361.08
  4. Step 4: Simplify right side
    30,141.06x = 694,929,421.99
  5. Step 5: Solve for x
    x = 694,929,421.99/30,141.06
  6. Step 6: Final answer
    x = 23,055.91

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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.