Home / 42,673.75-58,917.51-38,189.79

Finding the Fourth Proportional to 42,673.75, 58,917.51 and 38,189.79

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Solution

The fourth proportional to 42,673.75, 58,917.51 and 38,189.79 is: 52,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,673.75 : 58,917.51 = 38,189.79 : x
  2. Step 2: Convert to fraction form
    42,673.75/58,917.51 = 38,189.79/x
  3. Step 3: Cross multiply
    42,673.75x = 58,917.51 × 38,189.79
  4. Step 4: Simplify right side
    42,673.75x = 2,250,047,334.22
  5. Step 5: Solve for x
    x = 2,250,047,334.22/42,673.75
  6. Step 6: Final answer
    x = 52,726.73

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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.