Home / 30,053.52-45,084.39-12,519.25

Finding the Fourth Proportional to 30,053.52, 45,084.39 and 12,519.25

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Solution

The fourth proportional to 30,053.52, 45,084.39 and 12,519.25 is: 18,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.52 : 45,084.39 = 12,519.25 : x
  2. Step 2: Convert to fraction form
    30,053.52/45,084.39 = 12,519.25/x
  3. Step 3: Cross multiply
    30,053.52x = 45,084.39 × 12,519.25
  4. Step 4: Simplify right side
    30,053.52x = 564,422,686.91
  5. Step 5: Solve for x
    x = 564,422,686.91/30,053.52
  6. Step 6: Final answer
    x = 18,780.58

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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.