Home / 39,048.88-58,576.92-12,753.76

Finding the Fourth Proportional to 39,048.88, 58,576.92 and 12,753.76

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Solution

The fourth proportional to 39,048.88, 58,576.92 and 12,753.76 is: 19,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,048.88 : 58,576.92 = 12,753.76 : x
  2. Step 2: Convert to fraction form
    39,048.88/58,576.92 = 12,753.76/x
  3. Step 3: Cross multiply
    39,048.88x = 58,576.92 × 12,753.76
  4. Step 4: Simplify right side
    39,048.88x = 747,075,979.22
  5. Step 5: Solve for x
    x = 747,075,979.22/39,048.88
  6. Step 6: Final answer
    x = 19,131.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.