Home / 35,974.80-53,962.20-12,588.48

Finding the Fourth Proportional to 35,974.80, 53,962.20 and 12,588.48

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Solution

The fourth proportional to 35,974.80, 53,962.20 and 12,588.48 is: 18,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,974.80 : 53,962.20 = 12,588.48 : x
  2. Step 2: Convert to fraction form
    35,974.80/53,962.20 = 12,588.48/x
  3. Step 3: Cross multiply
    35,974.80x = 53,962.20 × 12,588.48
  4. Step 4: Simplify right side
    35,974.80x = 679,302,075.46
  5. Step 5: Solve for x
    x = 679,302,075.46/35,974.80
  6. Step 6: Final answer
    x = 18,882.72

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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.