Home / 31,647.43-47,478.35-16,848.55

Finding the Fourth Proportional to 31,647.43, 47,478.35 and 16,848.55

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Solution

The fourth proportional to 31,647.43, 47,478.35 and 16,848.55 is: 25,276.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,647.43 : 47,478.35 = 16,848.55 : x
  2. Step 2: Convert to fraction form
    31,647.43/47,478.35 = 16,848.55/x
  3. Step 3: Cross multiply
    31,647.43x = 47,478.35 × 16,848.55
  4. Step 4: Simplify right side
    31,647.43x = 799,941,353.89
  5. Step 5: Solve for x
    x = 799,941,353.89/31,647.43
  6. Step 6: Final answer
    x = 25,276.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.