Home / 38,610.56-57,903.48-12,309.14

Finding the Fourth Proportional to 38,610.56, 57,903.48 and 12,309.14

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Solution

The fourth proportional to 38,610.56, 57,903.48 and 12,309.14 is: 18,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,610.56 : 57,903.48 = 12,309.14 : x
  2. Step 2: Convert to fraction form
    38,610.56/57,903.48 = 12,309.14/x
  3. Step 3: Cross multiply
    38,610.56x = 57,903.48 × 12,309.14
  4. Step 4: Simplify right side
    38,610.56x = 712,742,041.81
  5. Step 5: Solve for x
    x = 712,742,041.81/38,610.56
  6. Step 6: Final answer
    x = 18,459.77

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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.