Home / 58,212.36-87,331.68-31,903.56

Finding the Fourth Proportional to 58,212.36, 87,331.68 and 31,903.56

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Solution

The fourth proportional to 58,212.36, 87,331.68 and 31,903.56 is: 47,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,212.36 : 87,331.68 = 31,903.56 : x
  2. Step 2: Convert to fraction form
    58,212.36/87,331.68 = 31,903.56/x
  3. Step 3: Cross multiply
    58,212.36x = 87,331.68 × 31,903.56
  4. Step 4: Simplify right side
    58,212.36x = 2,786,191,492.78
  5. Step 5: Solve for x
    x = 2,786,191,492.78/58,212.36
  6. Step 6: Final answer
    x = 47,862.54

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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.