Home / 51,486.68-71,050.94-28,825.74

Finding the Fourth Proportional to 51,486.68, 71,050.94 and 28,825.74

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Solution

The fourth proportional to 51,486.68, 71,050.94 and 28,825.74 is: 39,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,486.68 : 71,050.94 = 28,825.74 : x
  2. Step 2: Convert to fraction form
    51,486.68/71,050.94 = 28,825.74/x
  3. Step 3: Cross multiply
    51,486.68x = 71,050.94 × 28,825.74
  4. Step 4: Simplify right side
    51,486.68x = 2,048,095,923.20
  5. Step 5: Solve for x
    x = 2,048,095,923.20/51,486.68
  6. Step 6: Final answer
    x = 39,779.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.