Home / 30,905.73-46,305.63-20,755.08

Finding the Fourth Proportional to 30,905.73, 46,305.63 and 20,755.08

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Solution

The fourth proportional to 30,905.73, 46,305.63 and 20,755.08 is: 31,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905.73 : 46,305.63 = 20,755.08 : x
  2. Step 2: Convert to fraction form
    30,905.73/46,305.63 = 20,755.08/x
  3. Step 3: Cross multiply
    30,905.73x = 46,305.63 × 20,755.08
  4. Step 4: Simplify right side
    30,905.73x = 961,077,055.10
  5. Step 5: Solve for x
    x = 961,077,055.10/30,905.73
  6. Step 6: Final answer
    x = 31,097.05

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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.