Home / 39,446.15-59,147.34-13,136.54

Finding the Fourth Proportional to 39,446.15, 59,147.34 and 13,136.54

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Solution

The fourth proportional to 39,446.15, 59,147.34 and 13,136.54 is: 19,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.15 : 59,147.34 = 13,136.54 : x
  2. Step 2: Convert to fraction form
    39,446.15/59,147.34 = 13,136.54/x
  3. Step 3: Cross multiply
    39,446.15x = 59,147.34 × 13,136.54
  4. Step 4: Simplify right side
    39,446.15x = 776,991,102.07
  5. Step 5: Solve for x
    x = 776,991,102.07/39,446.15
  6. Step 6: Final answer
    x = 19,697.52

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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.