Home / 37,886.94-52,278.03-21,968.10

Finding the Fourth Proportional to 37,886.94, 52,278.03 and 21,968.10

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Solution

The fourth proportional to 37,886.94, 52,278.03 and 21,968.10 is: 30,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.94 : 52,278.03 = 21,968.10 : x
  2. Step 2: Convert to fraction form
    37,886.94/52,278.03 = 21,968.10/x
  3. Step 3: Cross multiply
    37,886.94x = 52,278.03 × 21,968.10
  4. Step 4: Simplify right side
    37,886.94x = 1,148,448,990.84
  5. Step 5: Solve for x
    x = 1,148,448,990.84/37,886.94
  6. Step 6: Final answer
    x = 30,312.53

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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.