Home / 40,638.64-56,085.97-22,738.18

Finding the Fourth Proportional to 40,638.64, 56,085.97 and 22,738.18

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Solution

The fourth proportional to 40,638.64, 56,085.97 and 22,738.18 is: 31,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.64 : 56,085.97 = 22,738.18 : x
  2. Step 2: Convert to fraction form
    40,638.64/56,085.97 = 22,738.18/x
  3. Step 3: Cross multiply
    40,638.64x = 56,085.97 × 22,738.18
  4. Step 4: Simplify right side
    40,638.64x = 1,275,292,881.33
  5. Step 5: Solve for x
    x = 1,275,292,881.33/40,638.64
  6. Step 6: Final answer
    x = 31,381.29

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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.