Home / 39,408.30-59,117.85-13,110.30

Finding the Fourth Proportional to 39,408.30, 59,117.85 and 13,110.30

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Solution

The fourth proportional to 39,408.30, 59,117.85 and 13,110.30 is: 19,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.30 : 59,117.85 = 13,110.30 : x
  2. Step 2: Convert to fraction form
    39,408.30/59,117.85 = 13,110.30/x
  3. Step 3: Cross multiply
    39,408.30x = 59,117.85 × 13,110.30
  4. Step 4: Simplify right side
    39,408.30x = 775,052,748.86
  5. Step 5: Solve for x
    x = 775,052,748.86/39,408.30
  6. Step 6: Final answer
    x = 19,667.25

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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.