Home / 40,005.09-60,014.93-13,712.49

Finding the Fourth Proportional to 40,005.09, 60,014.93 and 13,712.49

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Solution

The fourth proportional to 40,005.09, 60,014.93 and 13,712.49 is: 20,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005.09 : 60,014.93 = 13,712.49 : x
  2. Step 2: Convert to fraction form
    40,005.09/60,014.93 = 13,712.49/x
  3. Step 3: Cross multiply
    40,005.09x = 60,014.93 × 13,712.49
  4. Step 4: Simplify right side
    40,005.09x = 822,954,058.91
  5. Step 5: Solve for x
    x = 822,954,058.91/40,005.09
  6. Step 6: Final answer
    x = 20,571.23

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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.