Home / 37,611.12-51,888.86-21,479.36

Finding the Fourth Proportional to 37,611.12, 51,888.86 and 21,479.36

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Solution

The fourth proportional to 37,611.12, 51,888.86 and 21,479.36 is: 29,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,611.12 : 51,888.86 = 21,479.36 : x
  2. Step 2: Convert to fraction form
    37,611.12/51,888.86 = 21,479.36/x
  3. Step 3: Cross multiply
    37,611.12x = 51,888.86 × 21,479.36
  4. Step 4: Simplify right side
    37,611.12x = 1,114,539,503.93
  5. Step 5: Solve for x
    x = 1,114,539,503.93/37,611.12
  6. Step 6: Final answer
    x = 29,633.24

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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.