Home / 39,681.63-59,548.37-18,906.75

Finding the Fourth Proportional to 39,681.63, 59,548.37 and 18,906.75

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Solution

The fourth proportional to 39,681.63, 59,548.37 and 18,906.75 is: 28,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,681.63 : 59,548.37 = 18,906.75 : x
  2. Step 2: Convert to fraction form
    39,681.63/59,548.37 = 18,906.75/x
  3. Step 3: Cross multiply
    39,681.63x = 59,548.37 × 18,906.75
  4. Step 4: Simplify right side
    39,681.63x = 1,125,866,049.96
  5. Step 5: Solve for x
    x = 1,125,866,049.96/39,681.63
  6. Step 6: Final answer
    x = 28,372.47

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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.