Home / 34,837.35-48,075.63-18,921.78

Finding the Fourth Proportional to 34,837.35, 48,075.63 and 18,921.78

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Solution

The fourth proportional to 34,837.35, 48,075.63 and 18,921.78 is: 26,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,837.35 : 48,075.63 = 18,921.78 : x
  2. Step 2: Convert to fraction form
    34,837.35/48,075.63 = 18,921.78/x
  3. Step 3: Cross multiply
    34,837.35x = 48,075.63 × 18,921.78
  4. Step 4: Simplify right side
    34,837.35x = 909,676,494.22
  5. Step 5: Solve for x
    x = 909,676,494.22/34,837.35
  6. Step 6: Final answer
    x = 26,112.10

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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.