Home / 39,518.79-54,546.06-27,420.12

Finding the Fourth Proportional to 39,518.79, 54,546.06 and 27,420.12

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Solution

The fourth proportional to 39,518.79, 54,546.06 and 27,420.12 is: 37,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,518.79 : 54,546.06 = 27,420.12 : x
  2. Step 2: Convert to fraction form
    39,518.79/54,546.06 = 27,420.12/x
  3. Step 3: Cross multiply
    39,518.79x = 54,546.06 × 27,420.12
  4. Step 4: Simplify right side
    39,518.79x = 1,495,659,459.31
  5. Step 5: Solve for x
    x = 1,495,659,459.31/39,518.79
  6. Step 6: Final answer
    x = 37,846.80

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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.