Home / 51,748.67-77,630.40-18,461.72

Finding the Fourth Proportional to 51,748.67, 77,630.40 and 18,461.72

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Solution

The fourth proportional to 51,748.67, 77,630.40 and 18,461.72 is: 27,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,748.67 : 77,630.40 = 18,461.72 : x
  2. Step 2: Convert to fraction form
    51,748.67/77,630.40 = 18,461.72/x
  3. Step 3: Cross multiply
    51,748.67x = 77,630.40 × 18,461.72
  4. Step 4: Simplify right side
    51,748.67x = 1,433,190,902.36
  5. Step 5: Solve for x
    x = 1,433,190,902.36/51,748.67
  6. Step 6: Final answer
    x = 27,695.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.