Home / 37,406.50-51,622.05-20,640.58

Finding the Fourth Proportional to 37,406.50, 51,622.05 and 20,640.58

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Solution

The fourth proportional to 37,406.50, 51,622.05 and 20,640.58 is: 28,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,406.50 : 51,622.05 = 20,640.58 : x
  2. Step 2: Convert to fraction form
    37,406.50/51,622.05 = 20,640.58/x
  3. Step 3: Cross multiply
    37,406.50x = 51,622.05 × 20,640.58
  4. Step 4: Simplify right side
    37,406.50x = 1,065,509,052.79
  5. Step 5: Solve for x
    x = 1,065,509,052.79/37,406.50
  6. Step 6: Final answer
    x = 28,484.60

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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.