Home / 44,172.40-66,235.80-13,003.60

Finding the Fourth Proportional to 44,172.40, 66,235.80 and 13,003.60

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Solution

The fourth proportional to 44,172.40, 66,235.80 and 13,003.60 is: 19,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,172.40 : 66,235.80 = 13,003.60 : x
  2. Step 2: Convert to fraction form
    44,172.40/66,235.80 = 13,003.60/x
  3. Step 3: Cross multiply
    44,172.40x = 66,235.80 × 13,003.60
  4. Step 4: Simplify right side
    44,172.40x = 861,303,848.88
  5. Step 5: Solve for x
    x = 861,303,848.88/44,172.40
  6. Step 6: Final answer
    x = 19,498.69

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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.