Home / 45,536.17-68,312.48-20,587.97

Finding the Fourth Proportional to 45,536.17, 68,312.48 and 20,587.97

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Solution

The fourth proportional to 45,536.17, 68,312.48 and 20,587.97 is: 30,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,536.17 : 68,312.48 = 20,587.97 : x
  2. Step 2: Convert to fraction form
    45,536.17/68,312.48 = 20,587.97/x
  3. Step 3: Cross multiply
    45,536.17x = 68,312.48 × 20,587.97
  4. Step 4: Simplify right side
    45,536.17x = 1,406,415,288.87
  5. Step 5: Solve for x
    x = 1,406,415,288.87/45,536.17
  6. Step 6: Final answer
    x = 30,885.67

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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.