Home / 35,444.74-48,920.85-20,347.63

Finding the Fourth Proportional to 35,444.74, 48,920.85 and 20,347.63

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Solution

The fourth proportional to 35,444.74, 48,920.85 and 20,347.63 is: 28,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,444.74 : 48,920.85 = 20,347.63 : x
  2. Step 2: Convert to fraction form
    35,444.74/48,920.85 = 20,347.63/x
  3. Step 3: Cross multiply
    35,444.74x = 48,920.85 × 20,347.63
  4. Step 4: Simplify right side
    35,444.74x = 995,423,355.09
  5. Step 5: Solve for x
    x = 995,423,355.09/35,444.74
  6. Step 6: Final answer
    x = 28,083.81

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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.