Home / 38,100.09-52,573.15-21,968.01

Finding the Fourth Proportional to 38,100.09, 52,573.15 and 21,968.01

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Solution

The fourth proportional to 38,100.09, 52,573.15 and 21,968.01 is: 30,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.09 : 52,573.15 = 21,968.01 : x
  2. Step 2: Convert to fraction form
    38,100.09/52,573.15 = 21,968.01/x
  3. Step 3: Cross multiply
    38,100.09x = 52,573.15 × 21,968.01
  4. Step 4: Simplify right side
    38,100.09x = 1,154,927,375.09
  5. Step 5: Solve for x
    x = 1,154,927,375.09/38,100.09
  6. Step 6: Final answer
    x = 30,312.98

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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.