Home / 55,615.02-76,748.96-30,121.68

Finding the Fourth Proportional to 55,615.02, 76,748.96 and 30,121.68

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Solution

The fourth proportional to 55,615.02, 76,748.96 and 30,121.68 is: 41,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.02 : 76,748.96 = 30,121.68 : x
  2. Step 2: Convert to fraction form
    55,615.02/76,748.96 = 30,121.68/x
  3. Step 3: Cross multiply
    55,615.02x = 76,748.96 × 30,121.68
  4. Step 4: Simplify right side
    55,615.02x = 2,311,807,613.45
  5. Step 5: Solve for x
    x = 2,311,807,613.45/55,615.02
  6. Step 6: Final answer
    x = 41,568.04

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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.