Home / 39,630.89-54,694.54-22,637.68

Finding the Fourth Proportional to 39,630.89, 54,694.54 and 22,637.68

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Solution

The fourth proportional to 39,630.89, 54,694.54 and 22,637.68 is: 31,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630.89 : 54,694.54 = 22,637.68 : x
  2. Step 2: Convert to fraction form
    39,630.89/54,694.54 = 22,637.68/x
  3. Step 3: Cross multiply
    39,630.89x = 54,694.54 × 22,637.68
  4. Step 4: Simplify right side
    39,630.89x = 1,238,157,220.79
  5. Step 5: Solve for x
    x = 1,238,157,220.79/39,630.89
  6. Step 6: Final answer
    x = 31,242.23

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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.