Home / 39,100.51-58,650.74-15,721.48

Finding the Fourth Proportional to 39,100.51, 58,650.74 and 15,721.48

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Solution

The fourth proportional to 39,100.51, 58,650.74 and 15,721.48 is: 23,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.51 : 58,650.74 = 15,721.48 : x
  2. Step 2: Convert to fraction form
    39,100.51/58,650.74 = 15,721.48/x
  3. Step 3: Cross multiply
    39,100.51x = 58,650.74 × 15,721.48
  4. Step 4: Simplify right side
    39,100.51x = 922,076,435.90
  5. Step 5: Solve for x
    x = 922,076,435.90/39,100.51
  6. Step 6: Final answer
    x = 23,582.21

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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.