Home / 30,094.80-45,149.40-12,554.88

Finding the Fourth Proportional to 30,094.80, 45,149.40 and 12,554.88

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Solution

The fourth proportional to 30,094.80, 45,149.40 and 12,554.88 is: 18,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,094.80 : 45,149.40 = 12,554.88 : x
  2. Step 2: Convert to fraction form
    30,094.80/45,149.40 = 12,554.88/x
  3. Step 3: Cross multiply
    30,094.80x = 45,149.40 × 12,554.88
  4. Step 4: Simplify right side
    30,094.80x = 566,845,299.07
  5. Step 5: Solve for x
    x = 566,845,299.07/30,094.80
  6. Step 6: Final answer
    x = 18,835.32

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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.