Home / 35,679.64-53,478.96-12,286.84

Finding the Fourth Proportional to 35,679.64, 53,478.96 and 12,286.84

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Solution

The fourth proportional to 35,679.64, 53,478.96 and 12,286.84 is: 18,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.64 : 53,478.96 = 12,286.84 : x
  2. Step 2: Convert to fraction form
    35,679.64/53,478.96 = 12,286.84/x
  3. Step 3: Cross multiply
    35,679.64x = 53,478.96 × 12,286.84
  4. Step 4: Simplify right side
    35,679.64x = 657,087,424.89
  5. Step 5: Solve for x
    x = 657,087,424.89/35,679.64
  6. Step 6: Final answer
    x = 18,416.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.