Home / 30,662.41-46,006.58-13,140.49

Finding the Fourth Proportional to 30,662.41, 46,006.58 and 13,140.49

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Solution

The fourth proportional to 30,662.41, 46,006.58 and 13,140.49 is: 19,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662.41 : 46,006.58 = 13,140.49 : x
  2. Step 2: Convert to fraction form
    30,662.41/46,006.58 = 13,140.49/x
  3. Step 3: Cross multiply
    30,662.41x = 46,006.58 × 13,140.49
  4. Step 4: Simplify right side
    30,662.41x = 604,549,004.42
  5. Step 5: Solve for x
    x = 604,549,004.42/30,662.41
  6. Step 6: Final answer
    x = 19,716.29

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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.