Home / 31,454.27-47,145.64-16,438.24

Finding the Fourth Proportional to 31,454.27, 47,145.64 and 16,438.24

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Solution

The fourth proportional to 31,454.27, 47,145.64 and 16,438.24 is: 24,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.27 : 47,145.64 = 16,438.24 : x
  2. Step 2: Convert to fraction form
    31,454.27/47,145.64 = 16,438.24/x
  3. Step 3: Cross multiply
    31,454.27x = 47,145.64 × 16,438.24
  4. Step 4: Simplify right side
    31,454.27x = 774,991,345.27
  5. Step 5: Solve for x
    x = 774,991,345.27/31,454.27
  6. Step 6: Final answer
    x = 24,638.67

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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.