Home / 30,995.84-42,774.36-16,848.74

Finding the Fourth Proportional to 30,995.84, 42,774.36 and 16,848.74

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Solution

The fourth proportional to 30,995.84, 42,774.36 and 16,848.74 is: 23,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.84 : 42,774.36 = 16,848.74 : x
  2. Step 2: Convert to fraction form
    30,995.84/42,774.36 = 16,848.74/x
  3. Step 3: Cross multiply
    30,995.84x = 42,774.36 × 16,848.74
  4. Step 4: Simplify right side
    30,995.84x = 720,694,070.31
  5. Step 5: Solve for x
    x = 720,694,070.31/30,995.84
  6. Step 6: Final answer
    x = 23,251.32

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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.