Home / 30,196.80-45,302.40-14,601.60

Finding the Fourth Proportional to 30,196.80, 45,302.40 and 14,601.60

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Solution

The fourth proportional to 30,196.80, 45,302.40 and 14,601.60 is: 21,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.80 : 45,302.40 = 14,601.60 : x
  2. Step 2: Convert to fraction form
    30,196.80/45,302.40 = 14,601.60/x
  3. Step 3: Cross multiply
    30,196.80x = 45,302.40 × 14,601.60
  4. Step 4: Simplify right side
    30,196.80x = 661,487,523.84
  5. Step 5: Solve for x
    x = 661,487,523.84/30,196.80
  6. Step 6: Final answer
    x = 21,905.88

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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.