Home / 30,755.09-46,127.41-8,570.68

Finding the Fourth Proportional to 30,755.09, 46,127.41 and 8,570.68

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Solution

The fourth proportional to 30,755.09, 46,127.41 and 8,570.68 is: 12,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.09 : 46,127.41 = 8,570.68 : x
  2. Step 2: Convert to fraction form
    30,755.09/46,127.41 = 8,570.68/x
  3. Step 3: Cross multiply
    30,755.09x = 46,127.41 × 8,570.68
  4. Step 4: Simplify right side
    30,755.09x = 395,343,133.59
  5. Step 5: Solve for x
    x = 395,343,133.59/30,755.09
  6. Step 6: Final answer
    x = 12,854.56

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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.