Home / 31,500.06-47,217.69-21,607.26

Finding the Fourth Proportional to 31,500.06, 47,217.69 and 21,607.26

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Solution

The fourth proportional to 31,500.06, 47,217.69 and 21,607.26 is: 32,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.06 : 47,217.69 = 21,607.26 : x
  2. Step 2: Convert to fraction form
    31,500.06/47,217.69 = 21,607.26/x
  3. Step 3: Cross multiply
    31,500.06x = 47,217.69 × 21,607.26
  4. Step 4: Simplify right side
    31,500.06x = 1,020,244,904.43
  5. Step 5: Solve for x
    x = 1,020,244,904.43/31,500.06
  6. Step 6: Final answer
    x = 32,388.67

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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.