Home / 74,928.19-103,408.05-40,941.84

Finding the Fourth Proportional to 74,928.19, 103,408.05 and 40,941.84

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Solution

The fourth proportional to 74,928.19, 103,408.05 and 40,941.84 is: 56,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.19 : 103,408.05 = 40,941.84 : x
  2. Step 2: Convert to fraction form
    74,928.19/103,408.05 = 40,941.84/x
  3. Step 3: Cross multiply
    74,928.19x = 103,408.05 × 40,941.84
  4. Step 4: Simplify right side
    74,928.19x = 4,233,715,116.06
  5. Step 5: Solve for x
    x = 4,233,715,116.06/74,928.19
  6. Step 6: Final answer
    x = 56,503.64

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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.