Home / 30,674.76-46,013.17-8,486.28

Finding the Fourth Proportional to 30,674.76, 46,013.17 and 8,486.28

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Solution

The fourth proportional to 30,674.76, 46,013.17 and 8,486.28 is: 12,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674.76 : 46,013.17 = 8,486.28 : x
  2. Step 2: Convert to fraction form
    30,674.76/46,013.17 = 8,486.28/x
  3. Step 3: Cross multiply
    30,674.76x = 46,013.17 × 8,486.28
  4. Step 4: Simplify right side
    30,674.76x = 390,480,607.18
  5. Step 5: Solve for x
    x = 390,480,607.18/30,674.76
  6. Step 6: Final answer
    x = 12,729.70

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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.