Home / 45,420.98-62,627.33-31,087.72

Finding the Fourth Proportional to 45,420.98, 62,627.33 and 31,087.72

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Solution

The fourth proportional to 45,420.98, 62,627.33 and 31,087.72 is: 42,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.98 : 62,627.33 = 31,087.72 : x
  2. Step 2: Convert to fraction form
    45,420.98/62,627.33 = 31,087.72/x
  3. Step 3: Cross multiply
    45,420.98x = 62,627.33 × 31,087.72
  4. Step 4: Simplify right side
    45,420.98x = 1,946,940,430.81
  5. Step 5: Solve for x
    x = 1,946,940,430.81/45,420.98
  6. Step 6: Final answer
    x = 42,864.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.