Home / 47,971.02-71,915.49-18,410.07

Finding the Fourth Proportional to 47,971.02, 71,915.49 and 18,410.07

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Solution

The fourth proportional to 47,971.02, 71,915.49 and 18,410.07 is: 27,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.02 : 71,915.49 = 18,410.07 : x
  2. Step 2: Convert to fraction form
    47,971.02/71,915.49 = 18,410.07/x
  3. Step 3: Cross multiply
    47,971.02x = 71,915.49 × 18,410.07
  4. Step 4: Simplify right side
    47,971.02x = 1,323,969,204.98
  5. Step 5: Solve for x
    x = 1,323,969,204.98/47,971.02
  6. Step 6: Final answer
    x = 27,599.35

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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.