Home / 53,489.07-73,877.40-42,770.97

Finding the Fourth Proportional to 53,489.07, 73,877.40 and 42,770.97

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Solution

The fourth proportional to 53,489.07, 73,877.40 and 42,770.97 is: 59,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,489.07 : 73,877.40 = 42,770.97 : x
  2. Step 2: Convert to fraction form
    53,489.07/73,877.40 = 42,770.97/x
  3. Step 3: Cross multiply
    53,489.07x = 73,877.40 × 42,770.97
  4. Step 4: Simplify right side
    53,489.07x = 3,159,808,059.08
  5. Step 5: Solve for x
    x = 3,159,808,059.08/53,489.07
  6. Step 6: Final answer
    x = 59,073.90

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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.