Home / 35,370.09-48,817.66-20,272.87

Finding the Fourth Proportional to 35,370.09, 48,817.66 and 20,272.87

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Solution

The fourth proportional to 35,370.09, 48,817.66 and 20,272.87 is: 27,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370.09 : 48,817.66 = 20,272.87 : x
  2. Step 2: Convert to fraction form
    35,370.09/48,817.66 = 20,272.87/x
  3. Step 3: Cross multiply
    35,370.09x = 48,817.66 × 20,272.87
  4. Step 4: Simplify right side
    35,370.09x = 989,674,351.81
  5. Step 5: Solve for x
    x = 989,674,351.81/35,370.09
  6. Step 6: Final answer
    x = 27,980.54

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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.