Home / 30,845.95-42,567.42-16,698.79

Finding the Fourth Proportional to 30,845.95, 42,567.42 and 16,698.79

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Solution

The fourth proportional to 30,845.95, 42,567.42 and 16,698.79 is: 23,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.95 : 42,567.42 = 16,698.79 : x
  2. Step 2: Convert to fraction form
    30,845.95/42,567.42 = 16,698.79/x
  3. Step 3: Cross multiply
    30,845.95x = 42,567.42 × 16,698.79
  4. Step 4: Simplify right side
    30,845.95x = 710,824,382.36
  5. Step 5: Solve for x
    x = 710,824,382.36/30,845.95
  6. Step 6: Final answer
    x = 23,044.34

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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.