Home / 51,707.94-77,562.24-28,321.62

Finding the Fourth Proportional to 51,707.94, 77,562.24 and 28,321.62

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Solution

The fourth proportional to 51,707.94, 77,562.24 and 28,321.62 is: 42,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707.94 : 77,562.24 = 28,321.62 : x
  2. Step 2: Convert to fraction form
    51,707.94/77,562.24 = 28,321.62/x
  3. Step 3: Cross multiply
    51,707.94x = 77,562.24 × 28,321.62
  4. Step 4: Simplify right side
    51,707.94x = 2,196,688,287.63
  5. Step 5: Solve for x
    x = 2,196,688,287.63/51,707.94
  6. Step 6: Final answer
    x = 42,482.61

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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.