Home / 47,980.42-66,213.08-26,761.05

Finding the Fourth Proportional to 47,980.42, 66,213.08 and 26,761.05

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Solution

The fourth proportional to 47,980.42, 66,213.08 and 26,761.05 is: 36,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.42 : 66,213.08 = 26,761.05 : x
  2. Step 2: Convert to fraction form
    47,980.42/66,213.08 = 26,761.05/x
  3. Step 3: Cross multiply
    47,980.42x = 66,213.08 × 26,761.05
  4. Step 4: Simplify right side
    47,980.42x = 1,771,931,146.57
  5. Step 5: Solve for x
    x = 1,771,931,146.57/47,980.42
  6. Step 6: Final answer
    x = 36,930.30

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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.