Home / 39,374.64-54,346.68-30,408.48

Finding the Fourth Proportional to 39,374.64, 54,346.68 and 30,408.48

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Solution

The fourth proportional to 39,374.64, 54,346.68 and 30,408.48 is: 41,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.64 : 54,346.68 = 30,408.48 : x
  2. Step 2: Convert to fraction form
    39,374.64/54,346.68 = 30,408.48/x
  3. Step 3: Cross multiply
    39,374.64x = 54,346.68 × 30,408.48
  4. Step 4: Simplify right side
    39,374.64x = 1,652,599,931.85
  5. Step 5: Solve for x
    x = 1,652,599,931.85/39,374.64
  6. Step 6: Final answer
    x = 41,971.18

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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.