Home / 30,995.86-42,774.44-16,848.70

Finding the Fourth Proportional to 30,995.86, 42,774.44 and 16,848.70

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Solution

The fourth proportional to 30,995.86, 42,774.44 and 16,848.70 is: 23,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.86 : 42,774.44 = 16,848.70 : x
  2. Step 2: Convert to fraction form
    30,995.86/42,774.44 = 16,848.70/x
  3. Step 3: Cross multiply
    30,995.86x = 42,774.44 × 16,848.70
  4. Step 4: Simplify right side
    30,995.86x = 720,693,707.23
  5. Step 5: Solve for x
    x = 720,693,707.23/30,995.86
  6. Step 6: Final answer
    x = 23,251.29

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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.