Home / 47,980.35-66,213-26,760.98

Finding the Fourth Proportional to 47,980.35, 66,213 and 26,760.98

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Solution

The fourth proportional to 47,980.35, 66,213 and 26,760.98 is: 36,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.35 : 66,213 = 26,760.98 : x
  2. Step 2: Convert to fraction form
    47,980.35/66,213 = 26,760.98/x
  3. Step 3: Cross multiply
    47,980.35x = 66,213 × 26,760.98
  4. Step 4: Simplify right side
    47,980.35x = 1,771,924,768.74
  5. Step 5: Solve for x
    x = 1,771,924,768.74/47,980.35
  6. Step 6: Final answer
    x = 36,930.22

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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.