Home / 53,010.40-79,515.60-50,735.20

Finding the Fourth Proportional to 53,010.40, 79,515.60 and 50,735.20

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Solution

The fourth proportional to 53,010.40, 79,515.60 and 50,735.20 is: 76,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.40 : 79,515.60 = 50,735.20 : x
  2. Step 2: Convert to fraction form
    53,010.40/79,515.60 = 50,735.20/x
  3. Step 3: Cross multiply
    53,010.40x = 79,515.60 × 50,735.20
  4. Step 4: Simplify right side
    53,010.40x = 4,034,239,869.12
  5. Step 5: Solve for x
    x = 4,034,239,869.12/53,010.40
  6. Step 6: Final answer
    x = 76,102.80

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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.