Home / 30,690.24-46,035.36-9,629.52

Finding the Fourth Proportional to 30,690.24, 46,035.36 and 9,629.52

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Solution

The fourth proportional to 30,690.24, 46,035.36 and 9,629.52 is: 14,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.24 : 46,035.36 = 9,629.52 : x
  2. Step 2: Convert to fraction form
    30,690.24/46,035.36 = 9,629.52/x
  3. Step 3: Cross multiply
    30,690.24x = 46,035.36 × 9,629.52
  4. Step 4: Simplify right side
    30,690.24x = 443,298,419.83
  5. Step 5: Solve for x
    x = 443,298,419.83/30,690.24
  6. Step 6: Final answer
    x = 14,444.28

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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.