Home / 40,048.08-60,075.32-12,346

Finding the Fourth Proportional to 40,048.08, 60,075.32 and 12,346

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Solution

The fourth proportional to 40,048.08, 60,075.32 and 12,346 is: 18,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.08 : 60,075.32 = 12,346 : x
  2. Step 2: Convert to fraction form
    40,048.08/60,075.32 = 12,346/x
  3. Step 3: Cross multiply
    40,048.08x = 60,075.32 × 12,346
  4. Step 4: Simplify right side
    40,048.08x = 741,689,900.72
  5. Step 5: Solve for x
    x = 741,689,900.72/40,048.08
  6. Step 6: Final answer
    x = 18,519.99

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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.