Home / 38,267.02-57,404.69-12,984.78

Finding the Fourth Proportional to 38,267.02, 57,404.69 and 12,984.78

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Solution

The fourth proportional to 38,267.02, 57,404.69 and 12,984.78 is: 19,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,267.02 : 57,404.69 = 12,984.78 : x
  2. Step 2: Convert to fraction form
    38,267.02/57,404.69 = 12,984.78/x
  3. Step 3: Cross multiply
    38,267.02x = 57,404.69 × 12,984.78
  4. Step 4: Simplify right side
    38,267.02x = 745,387,270.62
  5. Step 5: Solve for x
    x = 745,387,270.62/38,267.02
  6. Step 6: Final answer
    x = 19,478.58

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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.