Home / 30,037.02-45,071.57-19,504.54

Finding the Fourth Proportional to 30,037.02, 45,071.57 and 19,504.54

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Solution

The fourth proportional to 30,037.02, 45,071.57 and 19,504.54 is: 29,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,037.02 : 45,071.57 = 19,504.54 : x
  2. Step 2: Convert to fraction form
    30,037.02/45,071.57 = 19,504.54/x
  3. Step 3: Cross multiply
    30,037.02x = 45,071.57 × 19,504.54
  4. Step 4: Simplify right side
    30,037.02x = 879,100,239.93
  5. Step 5: Solve for x
    x = 879,100,239.93/30,037.02
  6. Step 6: Final answer
    x = 29,267.23

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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.