Home / 51,329.74-70,830.44-28,665.59

Finding the Fourth Proportional to 51,329.74, 70,830.44 and 28,665.59

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Solution

The fourth proportional to 51,329.74, 70,830.44 and 28,665.59 is: 39,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,329.74 : 70,830.44 = 28,665.59 : x
  2. Step 2: Convert to fraction form
    51,329.74/70,830.44 = 28,665.59/x
  3. Step 3: Cross multiply
    51,329.74x = 70,830.44 × 28,665.59
  4. Step 4: Simplify right side
    51,329.74x = 2,030,396,270.88
  5. Step 5: Solve for x
    x = 2,030,396,270.88/51,329.74
  6. Step 6: Final answer
    x = 39,555.94

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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.