Home / 30,411.01-41,996.07-28,754.36

Finding the Fourth Proportional to 30,411.01, 41,996.07 and 28,754.36

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Solution

The fourth proportional to 30,411.01, 41,996.07 and 28,754.36 is: 39,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.01 : 41,996.07 = 28,754.36 : x
  2. Step 2: Convert to fraction form
    30,411.01/41,996.07 = 28,754.36/x
  3. Step 3: Cross multiply
    30,411.01x = 41,996.07 × 28,754.36
  4. Step 4: Simplify right side
    30,411.01x = 1,207,570,062.87
  5. Step 5: Solve for x
    x = 1,207,570,062.87/30,411.01
  6. Step 6: Final answer
    x = 39,708.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.