Home / 30,845.35-42,566.60-16,698.20

Finding the Fourth Proportional to 30,845.35, 42,566.60 and 16,698.20

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Solution

The fourth proportional to 30,845.35, 42,566.60 and 16,698.20 is: 23,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.35 : 42,566.60 = 16,698.20 : x
  2. Step 2: Convert to fraction form
    30,845.35/42,566.60 = 16,698.20/x
  3. Step 3: Cross multiply
    30,845.35x = 42,566.60 × 16,698.20
  4. Step 4: Simplify right side
    30,845.35x = 710,785,345.54
  5. Step 5: Solve for x
    x = 710,785,345.54/30,845.35
  6. Step 6: Final answer
    x = 23,043.52

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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.