Home / 30,365.65-45,537.54-12,836.84

Finding the Fourth Proportional to 30,365.65, 45,537.54 and 12,836.84

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Solution

The fourth proportional to 30,365.65, 45,537.54 and 12,836.84 is: 19,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.65 : 45,537.54 = 12,836.84 : x
  2. Step 2: Convert to fraction form
    30,365.65/45,537.54 = 12,836.84/x
  3. Step 3: Cross multiply
    30,365.65x = 45,537.54 × 12,836.84
  4. Step 4: Simplify right side
    30,365.65x = 584,558,114.97
  5. Step 5: Solve for x
    x = 584,558,114.97/30,365.65
  6. Step 6: Final answer
    x = 19,250.64

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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.