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Finding the Fourth Proportional to 69,729.54, 104,594.16 and 19,810.14

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Solution

The fourth proportional to 69,729.54, 104,594.16 and 19,810.14 is: 29,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,729.54 : 104,594.16 = 19,810.14 : x
  2. Step 2: Convert to fraction form
    69,729.54/104,594.16 = 19,810.14/x
  3. Step 3: Cross multiply
    69,729.54x = 104,594.16 × 19,810.14
  4. Step 4: Simplify right side
    69,729.54x = 2,072,024,952.78
  5. Step 5: Solve for x
    x = 2,072,024,952.78/69,729.54
  6. Step 6: Final answer
    x = 29,715.17

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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.