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Finding the Fourth Proportional to 69,376.58, 104,075.70 and 22,618.58

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Solution

The fourth proportional to 69,376.58, 104,075.70 and 22,618.58 is: 33,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,376.58 : 104,075.70 = 22,618.58 : x
  2. Step 2: Convert to fraction form
    69,376.58/104,075.70 = 22,618.58/x
  3. Step 3: Cross multiply
    69,376.58x = 104,075.70 × 22,618.58
  4. Step 4: Simplify right side
    69,376.58x = 2,354,044,546.51
  5. Step 5: Solve for x
    x = 2,354,044,546.51/69,376.58
  6. Step 6: Final answer
    x = 33,931.40

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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.