Home / 31,442.55-47,149.96-16,648.01

Finding the Fourth Proportional to 31,442.55, 47,149.96 and 16,648.01

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Solution

The fourth proportional to 31,442.55, 47,149.96 and 16,648.01 is: 24,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.55 : 47,149.96 = 16,648.01 : x
  2. Step 2: Convert to fraction form
    31,442.55/47,149.96 = 16,648.01/x
  3. Step 3: Cross multiply
    31,442.55x = 47,149.96 × 16,648.01
  4. Step 4: Simplify right side
    31,442.55x = 784,953,005.58
  5. Step 5: Solve for x
    x = 784,953,005.58/31,442.55
  6. Step 6: Final answer
    x = 24,964.67

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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.