Home / 48,196.56-66,503.35-30,278.88

Finding the Fourth Proportional to 48,196.56, 66,503.35 and 30,278.88

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Solution

The fourth proportional to 48,196.56, 66,503.35 and 30,278.88 is: 41,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,196.56 : 66,503.35 = 30,278.88 : x
  2. Step 2: Convert to fraction form
    48,196.56/66,503.35 = 30,278.88/x
  3. Step 3: Cross multiply
    48,196.56x = 66,503.35 × 30,278.88
  4. Step 4: Simplify right side
    48,196.56x = 2,013,646,992.10
  5. Step 5: Solve for x
    x = 2,013,646,992.10/48,196.56
  6. Step 6: Final answer
    x = 41,779.89

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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.