Home / 30,678.13-46,010.31-11,951.74

Finding the Fourth Proportional to 30,678.13, 46,010.31 and 11,951.74

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Solution

The fourth proportional to 30,678.13, 46,010.31 and 11,951.74 is: 17,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,678.13 : 46,010.31 = 11,951.74 : x
  2. Step 2: Convert to fraction form
    30,678.13/46,010.31 = 11,951.74/x
  3. Step 3: Cross multiply
    30,678.13x = 46,010.31 × 11,951.74
  4. Step 4: Simplify right side
    30,678.13x = 549,903,262.44
  5. Step 5: Solve for x
    x = 549,903,262.44/30,678.13
  6. Step 6: Final answer
    x = 17,924.93

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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.