Home / 39,042.58-53,878.62-22,050.40

Finding the Fourth Proportional to 39,042.58, 53,878.62 and 22,050.40

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Solution

The fourth proportional to 39,042.58, 53,878.62 and 22,050.40 is: 30,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042.58 : 53,878.62 = 22,050.40 : x
  2. Step 2: Convert to fraction form
    39,042.58/53,878.62 = 22,050.40/x
  3. Step 3: Cross multiply
    39,042.58x = 53,878.62 × 22,050.40
  4. Step 4: Simplify right side
    39,042.58x = 1,188,045,122.45
  5. Step 5: Solve for x
    x = 1,188,045,122.45/39,042.58
  6. Step 6: Final answer
    x = 30,429.47

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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.