Home / 39,408.09-59,138.91-16,038.78

Finding the Fourth Proportional to 39,408.09, 59,138.91 and 16,038.78

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Solution

The fourth proportional to 39,408.09, 59,138.91 and 16,038.78 is: 24,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.09 : 59,138.91 = 16,038.78 : x
  2. Step 2: Convert to fraction form
    39,408.09/59,138.91 = 16,038.78/x
  3. Step 3: Cross multiply
    39,408.09x = 59,138.91 × 16,038.78
  4. Step 4: Simplify right side
    39,408.09x = 948,515,966.93
  5. Step 5: Solve for x
    x = 948,515,966.93/39,408.09
  6. Step 6: Final answer
    x = 24,069.07

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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.