Home / 35,534.40-53,301.60-20,735.70

Finding the Fourth Proportional to 35,534.40, 53,301.60 and 20,735.70

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Solution

The fourth proportional to 35,534.40, 53,301.60 and 20,735.70 is: 31,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,534.40 : 53,301.60 = 20,735.70 : x
  2. Step 2: Convert to fraction form
    35,534.40/53,301.60 = 20,735.70/x
  3. Step 3: Cross multiply
    35,534.40x = 53,301.60 × 20,735.70
  4. Step 4: Simplify right side
    35,534.40x = 1,105,245,987.12
  5. Step 5: Solve for x
    x = 1,105,245,987.12/35,534.40
  6. Step 6: Final answer
    x = 31,103.55

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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.