Home / 57,332.40-85,998.60-51,208.80

Finding the Fourth Proportional to 57,332.40, 85,998.60 and 51,208.80

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Solution

The fourth proportional to 57,332.40, 85,998.60 and 51,208.80 is: 76,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,332.40 : 85,998.60 = 51,208.80 : x
  2. Step 2: Convert to fraction form
    57,332.40/85,998.60 = 51,208.80/x
  3. Step 3: Cross multiply
    57,332.40x = 85,998.60 × 51,208.80
  4. Step 4: Simplify right side
    57,332.40x = 4,403,885,107.68
  5. Step 5: Solve for x
    x = 4,403,885,107.68/57,332.40
  6. Step 6: Final answer
    x = 76,813.20

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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.