Home / 57,326.40-85,989.60-51,202.80

Finding the Fourth Proportional to 57,326.40, 85,989.60 and 51,202.80

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Solution

The fourth proportional to 57,326.40, 85,989.60 and 51,202.80 is: 76,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,326.40 : 85,989.60 = 51,202.80 : x
  2. Step 2: Convert to fraction form
    57,326.40/85,989.60 = 51,202.80/x
  3. Step 3: Cross multiply
    57,326.40x = 85,989.60 × 51,202.80
  4. Step 4: Simplify right side
    57,326.40x = 4,402,908,290.88
  5. Step 5: Solve for x
    x = 4,402,908,290.88/57,326.40
  6. Step 6: Final answer
    x = 76,804.20

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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.