Home / 34,772.85-47,983-21,344.67

Finding the Fourth Proportional to 34,772.85, 47,983 and 21,344.67

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Solution

The fourth proportional to 34,772.85, 47,983 and 21,344.67 is: 29,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.85 : 47,983 = 21,344.67 : x
  2. Step 2: Convert to fraction form
    34,772.85/47,983 = 21,344.67/x
  3. Step 3: Cross multiply
    34,772.85x = 47,983 × 21,344.67
  4. Step 4: Simplify right side
    34,772.85x = 1,024,181,300.61
  5. Step 5: Solve for x
    x = 1,024,181,300.61/34,772.85
  6. Step 6: Final answer
    x = 29,453.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.