Home / 69,478.10-104,217.23-16,887.59

Finding the Fourth Proportional to 69,478.10, 104,217.23 and 16,887.59

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Solution

The fourth proportional to 69,478.10, 104,217.23 and 16,887.59 is: 25,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,478.10 : 104,217.23 = 16,887.59 : x
  2. Step 2: Convert to fraction form
    69,478.10/104,217.23 = 16,887.59/x
  3. Step 3: Cross multiply
    69,478.10x = 104,217.23 × 16,887.59
  4. Step 4: Simplify right side
    69,478.10x = 1,759,977,763.12
  5. Step 5: Solve for x
    x = 1,759,977,763.12/69,478.10
  6. Step 6: Final answer
    x = 25,331.40

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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.