Home / 42,577.55-63,905.75-21,532.49

Finding the Fourth Proportional to 42,577.55, 63,905.75 and 21,532.49

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Solution

The fourth proportional to 42,577.55, 63,905.75 and 21,532.49 is: 32,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,577.55 : 63,905.75 = 21,532.49 : x
  2. Step 2: Convert to fraction form
    42,577.55/63,905.75 = 21,532.49/x
  3. Step 3: Cross multiply
    42,577.55x = 63,905.75 × 21,532.49
  4. Step 4: Simplify right side
    42,577.55x = 1,376,049,922.82
  5. Step 5: Solve for x
    x = 1,376,049,922.82/42,577.55
  6. Step 6: Final answer
    x = 32,318.67

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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.