Home / 58,900.32-81,315.96-38,815.56

Finding the Fourth Proportional to 58,900.32, 81,315.96 and 38,815.56

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Solution

The fourth proportional to 58,900.32, 81,315.96 and 38,815.56 is: 53,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,900.32 : 81,315.96 = 38,815.56 : x
  2. Step 2: Convert to fraction form
    58,900.32/81,315.96 = 38,815.56/x
  3. Step 3: Cross multiply
    58,900.32x = 81,315.96 × 38,815.56
  4. Step 4: Simplify right side
    58,900.32x = 3,156,324,524.34
  5. Step 5: Solve for x
    x = 3,156,324,524.34/58,900.32
  6. Step 6: Final answer
    x = 53,587.56

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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.