Home / 38,315.02-52,874.22-21,548.02

Finding the Fourth Proportional to 38,315.02, 52,874.22 and 21,548.02

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Solution

The fourth proportional to 38,315.02, 52,874.22 and 21,548.02 is: 29,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.02 : 52,874.22 = 21,548.02 : x
  2. Step 2: Convert to fraction form
    38,315.02/52,874.22 = 21,548.02/x
  3. Step 3: Cross multiply
    38,315.02x = 52,874.22 × 21,548.02
  4. Step 4: Simplify right side
    38,315.02x = 1,139,334,750.04
  5. Step 5: Solve for x
    x = 1,139,334,750.04/38,315.02
  6. Step 6: Final answer
    x = 29,735.98

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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.