Home / 39,390.24-59,091.36-13,089.12

Finding the Fourth Proportional to 39,390.24, 59,091.36 and 13,089.12

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Solution

The fourth proportional to 39,390.24, 59,091.36 and 13,089.12 is: 19,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.24 : 59,091.36 = 13,089.12 : x
  2. Step 2: Convert to fraction form
    39,390.24/59,091.36 = 13,089.12/x
  3. Step 3: Cross multiply
    39,390.24x = 59,091.36 × 13,089.12
  4. Step 4: Simplify right side
    39,390.24x = 773,453,902.00
  5. Step 5: Solve for x
    x = 773,453,902.00/39,390.24
  6. Step 6: Final answer
    x = 19,635.67

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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.