Home / 30,666.38-46,017.30-12,895.64

Finding the Fourth Proportional to 30,666.38, 46,017.30 and 12,895.64

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Solution

The fourth proportional to 30,666.38, 46,017.30 and 12,895.64 is: 19,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,666.38 : 46,017.30 = 12,895.64 : x
  2. Step 2: Convert to fraction form
    30,666.38/46,017.30 = 12,895.64/x
  3. Step 3: Cross multiply
    30,666.38x = 46,017.30 × 12,895.64
  4. Step 4: Simplify right side
    30,666.38x = 593,422,534.57
  5. Step 5: Solve for x
    x = 593,422,534.57/30,666.38
  6. Step 6: Final answer
    x = 19,350.92

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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.