Home / 37,124.20-51,235.02-21,209.92

Finding the Fourth Proportional to 37,124.20, 51,235.02 and 21,209.92

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Solution

The fourth proportional to 37,124.20, 51,235.02 and 21,209.92 is: 29,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,124.20 : 51,235.02 = 21,209.92 : x
  2. Step 2: Convert to fraction form
    37,124.20/51,235.02 = 21,209.92/x
  3. Step 3: Cross multiply
    37,124.20x = 51,235.02 × 21,209.92
  4. Step 4: Simplify right side
    37,124.20x = 1,086,690,675.40
  5. Step 5: Solve for x
    x = 1,086,690,675.40/37,124.20
  6. Step 6: Final answer
    x = 29,271.76

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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.