Home / 35,197.14-48,559.90-20,078.89

Finding the Fourth Proportional to 35,197.14, 48,559.90 and 20,078.89

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Solution

The fourth proportional to 35,197.14, 48,559.90 and 20,078.89 is: 27,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,197.14 : 48,559.90 = 20,078.89 : x
  2. Step 2: Convert to fraction form
    35,197.14/48,559.90 = 20,078.89/x
  3. Step 3: Cross multiply
    35,197.14x = 48,559.90 × 20,078.89
  4. Step 4: Simplify right side
    35,197.14x = 975,028,890.51
  5. Step 5: Solve for x
    x = 975,028,890.51/35,197.14
  6. Step 6: Final answer
    x = 27,701.94

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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.