Home / 30,669.36-46,008.90-9,888

Finding the Fourth Proportional to 30,669.36, 46,008.90 and 9,888

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Solution

The fourth proportional to 30,669.36, 46,008.90 and 9,888 is: 14,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.36 : 46,008.90 = 9,888 : x
  2. Step 2: Convert to fraction form
    30,669.36/46,008.90 = 9,888/x
  3. Step 3: Cross multiply
    30,669.36x = 46,008.90 × 9,888
  4. Step 4: Simplify right side
    30,669.36x = 454,936,003.20
  5. Step 5: Solve for x
    x = 454,936,003.20/30,669.36
  6. Step 6: Final answer
    x = 14,833.57

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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.