Home / 55,328.06-82,992.40-13,775.06

Finding the Fourth Proportional to 55,328.06, 82,992.40 and 13,775.06

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Solution

The fourth proportional to 55,328.06, 82,992.40 and 13,775.06 is: 20,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,328.06 : 82,992.40 = 13,775.06 : x
  2. Step 2: Convert to fraction form
    55,328.06/82,992.40 = 13,775.06/x
  3. Step 3: Cross multiply
    55,328.06x = 82,992.40 × 13,775.06
  4. Step 4: Simplify right side
    55,328.06x = 1,143,225,462.59
  5. Step 5: Solve for x
    x = 1,143,225,462.59/55,328.06
  6. Step 6: Final answer
    x = 20,662.67

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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.