Home / 37,263.65-51,410.70-21,128.55

Finding the Fourth Proportional to 37,263.65, 51,410.70 and 21,128.55

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Solution

The fourth proportional to 37,263.65, 51,410.70 and 21,128.55 is: 29,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,263.65 : 51,410.70 = 21,128.55 : x
  2. Step 2: Convert to fraction form
    37,263.65/51,410.70 = 21,128.55/x
  3. Step 3: Cross multiply
    37,263.65x = 51,410.70 × 21,128.55
  4. Step 4: Simplify right side
    37,263.65x = 1,086,233,352.69
  5. Step 5: Solve for x
    x = 1,086,233,352.69/37,263.65
  6. Step 6: Final answer
    x = 29,149.95

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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.