Home / 30,887.38-46,329.98-13,106.62

Finding the Fourth Proportional to 30,887.38, 46,329.98 and 13,106.62

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Solution

The fourth proportional to 30,887.38, 46,329.98 and 13,106.62 is: 19,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.38 : 46,329.98 = 13,106.62 : x
  2. Step 2: Convert to fraction form
    30,887.38/46,329.98 = 13,106.62/x
  3. Step 3: Cross multiply
    30,887.38x = 46,329.98 × 13,106.62
  4. Step 4: Simplify right side
    30,887.38x = 607,229,442.47
  5. Step 5: Solve for x
    x = 607,229,442.47/30,887.38
  6. Step 6: Final answer
    x = 19,659.47

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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.