Home / 30,888.36-46,325.43-18,411.93

Finding the Fourth Proportional to 30,888.36, 46,325.43 and 18,411.93

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Solution

The fourth proportional to 30,888.36, 46,325.43 and 18,411.93 is: 27,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.36 : 46,325.43 = 18,411.93 : x
  2. Step 2: Convert to fraction form
    30,888.36/46,325.43 = 18,411.93/x
  3. Step 3: Cross multiply
    30,888.36x = 46,325.43 × 18,411.93
  4. Step 4: Simplify right side
    30,888.36x = 852,940,574.38
  5. Step 5: Solve for x
    x = 852,940,574.38/30,888.36
  6. Step 6: Final answer
    x = 27,613.66

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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.