Home / 47,851.04-71,787.36-18,268.16

Finding the Fourth Proportional to 47,851.04, 71,787.36 and 18,268.16

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Solution

The fourth proportional to 47,851.04, 71,787.36 and 18,268.16 is: 27,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.04 : 71,787.36 = 18,268.16 : x
  2. Step 2: Convert to fraction form
    47,851.04/71,787.36 = 18,268.16/x
  3. Step 3: Cross multiply
    47,851.04x = 71,787.36 × 18,268.16
  4. Step 4: Simplify right side
    47,851.04x = 1,311,422,978.46
  5. Step 5: Solve for x
    x = 1,311,422,978.46/47,851.04
  6. Step 6: Final answer
    x = 27,406.36

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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.