Home / 39,409.09-59,122.55-13,114.87

Finding the Fourth Proportional to 39,409.09, 59,122.55 and 13,114.87

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Solution

The fourth proportional to 39,409.09, 59,122.55 and 13,114.87 is: 19,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.09 : 59,122.55 = 13,114.87 : x
  2. Step 2: Convert to fraction form
    39,409.09/59,122.55 = 13,114.87/x
  3. Step 3: Cross multiply
    39,409.09x = 59,122.55 × 13,114.87
  4. Step 4: Simplify right side
    39,409.09x = 775,384,557.32
  5. Step 5: Solve for x
    x = 775,384,557.32/39,409.09
  6. Step 6: Final answer
    x = 19,675.27

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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.