Home / 30,106.24-41,548.80-18,172.48

Finding the Fourth Proportional to 30,106.24, 41,548.80 and 18,172.48

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Solution

The fourth proportional to 30,106.24, 41,548.80 and 18,172.48 is: 25,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,106.24 : 41,548.80 = 18,172.48 : x
  2. Step 2: Convert to fraction form
    30,106.24/41,548.80 = 18,172.48/x
  3. Step 3: Cross multiply
    30,106.24x = 41,548.80 × 18,172.48
  4. Step 4: Simplify right side
    30,106.24x = 755,044,737.02
  5. Step 5: Solve for x
    x = 755,044,737.02/30,106.24
  6. Step 6: Final answer
    x = 25,079.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.