Home / 55,357.23-82,970.82-25,712.58

Finding the Fourth Proportional to 55,357.23, 82,970.82 and 25,712.58

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Solution

The fourth proportional to 55,357.23, 82,970.82 and 25,712.58 is: 38,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,357.23 : 82,970.82 = 25,712.58 : x
  2. Step 2: Convert to fraction form
    55,357.23/82,970.82 = 25,712.58/x
  3. Step 3: Cross multiply
    55,357.23x = 82,970.82 × 25,712.58
  4. Step 4: Simplify right side
    55,357.23x = 2,133,393,846.92
  5. Step 5: Solve for x
    x = 2,133,393,846.92/55,357.23
  6. Step 6: Final answer
    x = 38,538.67

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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.