Home / 30,918.18-46,379.06-8,729.70

Finding the Fourth Proportional to 30,918.18, 46,379.06 and 8,729.70

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Solution

The fourth proportional to 30,918.18, 46,379.06 and 8,729.70 is: 13,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.18 : 46,379.06 = 8,729.70 : x
  2. Step 2: Convert to fraction form
    30,918.18/46,379.06 = 8,729.70/x
  3. Step 3: Cross multiply
    30,918.18x = 46,379.06 × 8,729.70
  4. Step 4: Simplify right side
    30,918.18x = 404,875,048.19
  5. Step 5: Solve for x
    x = 404,875,048.19/30,918.18
  6. Step 6: Final answer
    x = 13,095.05

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1.5x scale

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.