Home / 37,929.47-56,894.33-12,987.54

Finding the Fourth Proportional to 37,929.47, 56,894.33 and 12,987.54

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Solution

The fourth proportional to 37,929.47, 56,894.33 and 12,987.54 is: 19,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,929.47 : 56,894.33 = 12,987.54 : x
  2. Step 2: Convert to fraction form
    37,929.47/56,894.33 = 12,987.54/x
  3. Step 3: Cross multiply
    37,929.47x = 56,894.33 × 12,987.54
  4. Step 4: Simplify right side
    37,929.47x = 738,917,419.12
  5. Step 5: Solve for x
    x = 738,917,419.12/37,929.47
  6. Step 6: Final answer
    x = 19,481.36

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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.