Home / 35,460.45-48,921.69-20,347.65

Finding the Fourth Proportional to 35,460.45, 48,921.69 and 20,347.65

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Solution

The fourth proportional to 35,460.45, 48,921.69 and 20,347.65 is: 28,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,460.45 : 48,921.69 = 20,347.65 : x
  2. Step 2: Convert to fraction form
    35,460.45/48,921.69 = 20,347.65/x
  3. Step 3: Cross multiply
    35,460.45x = 48,921.69 × 20,347.65
  4. Step 4: Simplify right side
    35,460.45x = 995,441,425.53
  5. Step 5: Solve for x
    x = 995,441,425.53/35,460.45
  6. Step 6: Final answer
    x = 28,071.88

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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.