Home / 39,451.57-59,177.88-13,156.33

Finding the Fourth Proportional to 39,451.57, 59,177.88 and 13,156.33

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Solution

The fourth proportional to 39,451.57, 59,177.88 and 13,156.33 is: 19,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.57 : 59,177.88 = 13,156.33 : x
  2. Step 2: Convert to fraction form
    39,451.57/59,177.88 = 13,156.33/x
  3. Step 3: Cross multiply
    39,451.57x = 59,177.88 × 13,156.33
  4. Step 4: Simplify right side
    39,451.57x = 778,563,717.98
  5. Step 5: Solve for x
    x = 778,563,717.98/39,451.57
  6. Step 6: Final answer
    x = 19,734.67

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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.