Home / 38,014.43-56,984.40-21,155.48

Finding the Fourth Proportional to 38,014.43, 56,984.40 and 21,155.48

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Solution

The fourth proportional to 38,014.43, 56,984.40 and 21,155.48 is: 31,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.43 : 56,984.40 = 21,155.48 : x
  2. Step 2: Convert to fraction form
    38,014.43/56,984.40 = 21,155.48/x
  3. Step 3: Cross multiply
    38,014.43x = 56,984.40 × 21,155.48
  4. Step 4: Simplify right side
    38,014.43x = 1,205,532,137.58
  5. Step 5: Solve for x
    x = 1,205,532,137.58/38,014.43
  6. Step 6: Final answer
    x = 31,712.49

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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.