Home / 39,557.39-59,321.79-13,256.07

Finding the Fourth Proportional to 39,557.39, 59,321.79 and 13,256.07

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Solution

The fourth proportional to 39,557.39, 59,321.79 and 13,256.07 is: 19,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,557.39 : 59,321.79 = 13,256.07 : x
  2. Step 2: Convert to fraction form
    39,557.39/59,321.79 = 13,256.07/x
  3. Step 3: Cross multiply
    39,557.39x = 59,321.79 × 13,256.07
  4. Step 4: Simplify right side
    39,557.39x = 786,373,800.77
  5. Step 5: Solve for x
    x = 786,373,800.77/39,557.39
  6. Step 6: Final answer
    x = 19,879.32

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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.