Home / 30,037.52-45,072.32-19,505.04

Finding the Fourth Proportional to 30,037.52, 45,072.32 and 19,505.04

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Solution

The fourth proportional to 30,037.52, 45,072.32 and 19,505.04 is: 29,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,037.52 : 45,072.32 = 19,505.04 : x
  2. Step 2: Convert to fraction form
    30,037.52/45,072.32 = 19,505.04/x
  3. Step 3: Cross multiply
    30,037.52x = 45,072.32 × 19,505.04
  4. Step 4: Simplify right side
    30,037.52x = 879,137,306.97
  5. Step 5: Solve for x
    x = 879,137,306.97/30,037.52
  6. Step 6: Final answer
    x = 29,267.98

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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.