Home / 38,646.78-57,969.09-12,353.10

Finding the Fourth Proportional to 38,646.78, 57,969.09 and 12,353.10

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Solution

The fourth proportional to 38,646.78, 57,969.09 and 12,353.10 is: 18,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,646.78 : 57,969.09 = 12,353.10 : x
  2. Step 2: Convert to fraction form
    38,646.78/57,969.09 = 12,353.10/x
  3. Step 3: Cross multiply
    38,646.78x = 57,969.09 × 12,353.10
  4. Step 4: Simplify right side
    38,646.78x = 716,097,965.68
  5. Step 5: Solve for x
    x = 716,097,965.68/38,646.78
  6. Step 6: Final answer
    x = 18,529.30

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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.