Home / 43,065.68-64,596.69-13,482.86

Finding the Fourth Proportional to 43,065.68, 64,596.69 and 13,482.86

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Solution

The fourth proportional to 43,065.68, 64,596.69 and 13,482.86 is: 20,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,065.68 : 64,596.69 = 13,482.86 : x
  2. Step 2: Convert to fraction form
    43,065.68/64,596.69 = 13,482.86/x
  3. Step 3: Cross multiply
    43,065.68x = 64,596.69 × 13,482.86
  4. Step 4: Simplify right side
    43,065.68x = 870,947,804.75
  5. Step 5: Solve for x
    x = 870,947,804.75/43,065.68
  6. Step 6: Final answer
    x = 20,223.71

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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.