Home / 31,885.32-47,807.48-15,244.98

Finding the Fourth Proportional to 31,885.32, 47,807.48 and 15,244.98

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Solution

The fourth proportional to 31,885.32, 47,807.48 and 15,244.98 is: 22,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.32 : 47,807.48 = 15,244.98 : x
  2. Step 2: Convert to fraction form
    31,885.32/47,807.48 = 15,244.98/x
  3. Step 3: Cross multiply
    31,885.32x = 47,807.48 × 15,244.98
  4. Step 4: Simplify right side
    31,885.32x = 728,824,000.23
  5. Step 5: Solve for x
    x = 728,824,000.23/31,885.32
  6. Step 6: Final answer
    x = 22,857.67

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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.