Home / 61,503.21-84,888.24-40,270.14

Finding the Fourth Proportional to 61,503.21, 84,888.24 and 40,270.14

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Solution

The fourth proportional to 61,503.21, 84,888.24 and 40,270.14 is: 55,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,503.21 : 84,888.24 = 40,270.14 : x
  2. Step 2: Convert to fraction form
    61,503.21/84,888.24 = 40,270.14/x
  3. Step 3: Cross multiply
    61,503.21x = 84,888.24 × 40,270.14
  4. Step 4: Simplify right side
    61,503.21x = 3,418,461,309.15
  5. Step 5: Solve for x
    x = 3,418,461,309.15/61,503.21
  6. Step 6: Final answer
    x = 55,581.84

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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.