Home / 34,686.44-52,023.79-9,720.74

Finding the Fourth Proportional to 34,686.44, 52,023.79 and 9,720.74

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Solution

The fourth proportional to 34,686.44, 52,023.79 and 9,720.74 is: 14,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.44 : 52,023.79 = 9,720.74 : x
  2. Step 2: Convert to fraction form
    34,686.44/52,023.79 = 9,720.74/x
  3. Step 3: Cross multiply
    34,686.44x = 52,023.79 × 9,720.74
  4. Step 4: Simplify right side
    34,686.44x = 505,709,866.46
  5. Step 5: Solve for x
    x = 505,709,866.46/34,686.44
  6. Step 6: Final answer
    x = 14,579.47

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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.