Home / 30,848.55-42,571.01-16,701.39

Finding the Fourth Proportional to 30,848.55, 42,571.01 and 16,701.39

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Solution

The fourth proportional to 30,848.55, 42,571.01 and 16,701.39 is: 23,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.55 : 42,571.01 = 16,701.39 : x
  2. Step 2: Convert to fraction form
    30,848.55/42,571.01 = 16,701.39/x
  3. Step 3: Cross multiply
    30,848.55x = 42,571.01 × 16,701.39
  4. Step 4: Simplify right side
    30,848.55x = 710,995,040.70
  5. Step 5: Solve for x
    x = 710,995,040.70/30,848.55
  6. Step 6: Final answer
    x = 23,047.92

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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.