Home / 40,117.36-55,371.26-26,689.18

Finding the Fourth Proportional to 40,117.36, 55,371.26 and 26,689.18

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Solution

The fourth proportional to 40,117.36, 55,371.26 and 26,689.18 is: 36,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.36 : 55,371.26 = 26,689.18 : x
  2. Step 2: Convert to fraction form
    40,117.36/55,371.26 = 26,689.18/x
  3. Step 3: Cross multiply
    40,117.36x = 55,371.26 × 26,689.18
  4. Step 4: Simplify right side
    40,117.36x = 1,477,813,524.97
  5. Step 5: Solve for x
    x = 1,477,813,524.97/40,117.36
  6. Step 6: Final answer
    x = 36,837.26

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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.