Home / 30,995.14-42,774.06-16,848.76

Finding the Fourth Proportional to 30,995.14, 42,774.06 and 16,848.76

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Solution

The fourth proportional to 30,995.14, 42,774.06 and 16,848.76 is: 23,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.14 : 42,774.06 = 16,848.76 : x
  2. Step 2: Convert to fraction form
    30,995.14/42,774.06 = 16,848.76/x
  3. Step 3: Cross multiply
    30,995.14x = 42,774.06 × 16,848.76
  4. Step 4: Simplify right side
    30,995.14x = 720,689,871.17
  5. Step 5: Solve for x
    x = 720,689,871.17/30,995.14
  6. Step 6: Final answer
    x = 23,251.71

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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.