Home / 30,866.20-46,266.90-17,690.20

Finding the Fourth Proportional to 30,866.20, 46,266.90 and 17,690.20

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Solution

The fourth proportional to 30,866.20, 46,266.90 and 17,690.20 is: 26,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.20 : 46,266.90 = 17,690.20 : x
  2. Step 2: Convert to fraction form
    30,866.20/46,266.90 = 17,690.20/x
  3. Step 3: Cross multiply
    30,866.20x = 46,266.90 × 17,690.20
  4. Step 4: Simplify right side
    30,866.20x = 818,470,714.38
  5. Step 5: Solve for x
    x = 818,470,714.38/30,866.20
  6. Step 6: Final answer
    x = 26,516.73

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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.