Home / 40,085.36-60,127.41-13,790.33

Finding the Fourth Proportional to 40,085.36, 60,127.41 and 13,790.33

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Solution

The fourth proportional to 40,085.36, 60,127.41 and 13,790.33 is: 20,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,085.36 : 60,127.41 = 13,790.33 : x
  2. Step 2: Convert to fraction form
    40,085.36/60,127.41 = 13,790.33/x
  3. Step 3: Cross multiply
    40,085.36x = 60,127.41 × 13,790.33
  4. Step 4: Simplify right side
    40,085.36x = 829,176,825.95
  5. Step 5: Solve for x
    x = 829,176,825.95/40,085.36
  6. Step 6: Final answer
    x = 20,685.28

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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.