Home / 30,918.88-46,386.98-10,156.96

Finding the Fourth Proportional to 30,918.88, 46,386.98 and 10,156.96

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Solution

The fourth proportional to 30,918.88, 46,386.98 and 10,156.96 is: 15,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.88 : 46,386.98 = 10,156.96 : x
  2. Step 2: Convert to fraction form
    30,918.88/46,386.98 = 10,156.96/x
  3. Step 3: Cross multiply
    30,918.88x = 46,386.98 × 10,156.96
  4. Step 4: Simplify right side
    30,918.88x = 471,150,700.38
  5. Step 5: Solve for x
    x = 471,150,700.38/30,918.88
  6. Step 6: Final answer
    x = 15,238.28

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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.