Home / 30,990.02-46,498.81-17,662.53

Finding the Fourth Proportional to 30,990.02, 46,498.81 and 17,662.53

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Solution

The fourth proportional to 30,990.02, 46,498.81 and 17,662.53 is: 26,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,990.02 : 46,498.81 = 17,662.53 : x
  2. Step 2: Convert to fraction form
    30,990.02/46,498.81 = 17,662.53/x
  3. Step 3: Cross multiply
    30,990.02x = 46,498.81 × 17,662.53
  4. Step 4: Simplify right side
    30,990.02x = 821,286,659.14
  5. Step 5: Solve for x
    x = 821,286,659.14/30,990.02
  6. Step 6: Final answer
    x = 26,501.65

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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.