Home / 43,565.19-65,347.77-12,400.44

Finding the Fourth Proportional to 43,565.19, 65,347.77 and 12,400.44

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Solution

The fourth proportional to 43,565.19, 65,347.77 and 12,400.44 is: 18,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,565.19 : 65,347.77 = 12,400.44 : x
  2. Step 2: Convert to fraction form
    43,565.19/65,347.77 = 12,400.44/x
  3. Step 3: Cross multiply
    43,565.19x = 65,347.77 × 12,400.44
  4. Step 4: Simplify right side
    43,565.19x = 810,341,101.02
  5. Step 5: Solve for x
    x = 810,341,101.02/43,565.19
  6. Step 6: Final answer
    x = 18,600.66

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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.