Home / 53,655.21-74,043.52-30,994.11

Finding the Fourth Proportional to 53,655.21, 74,043.52 and 30,994.11

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Solution

The fourth proportional to 53,655.21, 74,043.52 and 30,994.11 is: 42,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,655.21 : 74,043.52 = 30,994.11 : x
  2. Step 2: Convert to fraction form
    53,655.21/74,043.52 = 30,994.11/x
  3. Step 3: Cross multiply
    53,655.21x = 74,043.52 × 30,994.11
  4. Step 4: Simplify right side
    53,655.21x = 2,294,912,926.18
  5. Step 5: Solve for x
    x = 2,294,912,926.18/53,655.21
  6. Step 6: Final answer
    x = 42,771.48

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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.