Home / 35,903.73-53,818.16-20,085.57

Finding the Fourth Proportional to 35,903.73, 53,818.16 and 20,085.57

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Solution

The fourth proportional to 35,903.73, 53,818.16 and 20,085.57 is: 30,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.73 : 53,818.16 = 20,085.57 : x
  2. Step 2: Convert to fraction form
    35,903.73/53,818.16 = 20,085.57/x
  3. Step 3: Cross multiply
    35,903.73x = 53,818.16 × 20,085.57
  4. Step 4: Simplify right side
    35,903.73x = 1,080,968,404.26
  5. Step 5: Solve for x
    x = 1,080,968,404.26/35,903.73
  6. Step 6: Final answer
    x = 30,107.41

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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.