Home / 35,444.76-48,920.84-20,347.62

Finding the Fourth Proportional to 35,444.76, 48,920.84 and 20,347.62

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Solution

The fourth proportional to 35,444.76, 48,920.84 and 20,347.62 is: 28,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,444.76 : 48,920.84 = 20,347.62 : x
  2. Step 2: Convert to fraction form
    35,444.76/48,920.84 = 20,347.62/x
  3. Step 3: Cross multiply
    35,444.76x = 48,920.84 × 20,347.62
  4. Step 4: Simplify right side
    35,444.76x = 995,422,662.40
  5. Step 5: Solve for x
    x = 995,422,662.40/35,444.76
  6. Step 6: Final answer
    x = 28,083.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.