Home / 30,036.02-45,070.07-19,503.54

Finding the Fourth Proportional to 30,036.02, 45,070.07 and 19,503.54

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Solution

The fourth proportional to 30,036.02, 45,070.07 and 19,503.54 is: 29,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.02 : 45,070.07 = 19,503.54 : x
  2. Step 2: Convert to fraction form
    30,036.02/45,070.07 = 19,503.54/x
  3. Step 3: Cross multiply
    30,036.02x = 45,070.07 × 19,503.54
  4. Step 4: Simplify right side
    30,036.02x = 879,025,815.53
  5. Step 5: Solve for x
    x = 879,025,815.53/30,036.02
  6. Step 6: Final answer
    x = 29,265.73

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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.