Home / 39,080.48-58,538.70-30,720.67

Finding the Fourth Proportional to 39,080.48, 58,538.70 and 30,720.67

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Solution

The fourth proportional to 39,080.48, 58,538.70 and 30,720.67 is: 46,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,080.48 : 58,538.70 = 30,720.67 : x
  2. Step 2: Convert to fraction form
    39,080.48/58,538.70 = 30,720.67/x
  3. Step 3: Cross multiply
    39,080.48x = 58,538.70 × 30,720.67
  4. Step 4: Simplify right side
    39,080.48x = 1,798,347,938.58
  5. Step 5: Solve for x
    x = 1,798,347,938.58/39,080.48
  6. Step 6: Final answer
    x = 46,016.53

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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.