Home / 37,385.99-51,592.46-20,389.92

Finding the Fourth Proportional to 37,385.99, 51,592.46 and 20,389.92

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Solution

The fourth proportional to 37,385.99, 51,592.46 and 20,389.92 is: 28,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,385.99 : 51,592.46 = 20,389.92 : x
  2. Step 2: Convert to fraction form
    37,385.99/51,592.46 = 20,389.92/x
  3. Step 3: Cross multiply
    37,385.99x = 51,592.46 × 20,389.92
  4. Step 4: Simplify right side
    37,385.99x = 1,051,966,132.00
  5. Step 5: Solve for x
    x = 1,051,966,132.00/37,385.99
  6. Step 6: Final answer
    x = 28,137.98

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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.