Home / 34,330.50-47,373.49-20,900.26

Finding the Fourth Proportional to 34,330.50, 47,373.49 and 20,900.26

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Solution

The fourth proportional to 34,330.50, 47,373.49 and 20,900.26 is: 28,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,330.50 : 47,373.49 = 20,900.26 : x
  2. Step 2: Convert to fraction form
    34,330.50/47,373.49 = 20,900.26/x
  3. Step 3: Cross multiply
    34,330.50x = 47,373.49 × 20,900.26
  4. Step 4: Simplify right side
    34,330.50x = 990,118,343.45
  5. Step 5: Solve for x
    x = 990,118,343.45/34,330.50
  6. Step 6: Final answer
    x = 28,840.78

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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.