Home / 39,063.42-53,907.57-21,158.58

Finding the Fourth Proportional to 39,063.42, 53,907.57 and 21,158.58

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Solution

The fourth proportional to 39,063.42, 53,907.57 and 21,158.58 is: 29,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,063.42 : 53,907.57 = 21,158.58 : x
  2. Step 2: Convert to fraction form
    39,063.42/53,907.57 = 21,158.58/x
  3. Step 3: Cross multiply
    39,063.42x = 53,907.57 × 21,158.58
  4. Step 4: Simplify right side
    39,063.42x = 1,140,607,632.45
  5. Step 5: Solve for x
    x = 1,140,607,632.45/39,063.42
  6. Step 6: Final answer
    x = 29,198.87

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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.