Home / 43,565.07-65,348.01-12,400.32

Finding the Fourth Proportional to 43,565.07, 65,348.01 and 12,400.32

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Solution

The fourth proportional to 43,565.07, 65,348.01 and 12,400.32 is: 18,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,565.07 : 65,348.01 = 12,400.32 : x
  2. Step 2: Convert to fraction form
    43,565.07/65,348.01 = 12,400.32/x
  3. Step 3: Cross multiply
    43,565.07x = 65,348.01 × 12,400.32
  4. Step 4: Simplify right side
    43,565.07x = 810,336,235.36
  5. Step 5: Solve for x
    x = 810,336,235.36/43,565.07
  6. Step 6: Final answer
    x = 18,600.60

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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.