Home / 39,181-58,771.38-14,221.02

Finding the Fourth Proportional to 39,181, 58,771.38 and 14,221.02

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Solution

The fourth proportional to 39,181, 58,771.38 and 14,221.02 is: 21,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181 : 58,771.38 = 14,221.02 : x
  2. Step 2: Convert to fraction form
    39,181/58,771.38 = 14,221.02/x
  3. Step 3: Cross multiply
    39,181x = 58,771.38 × 14,221.02
  4. Step 4: Simplify right side
    39,181x = 835,788,970.41
  5. Step 5: Solve for x
    x = 835,788,970.41/39,181
  6. Step 6: Final answer
    x = 21,331.49

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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.