Home / 52,829.46-72,905.63-28,955.96

Finding the Fourth Proportional to 52,829.46, 72,905.63 and 28,955.96

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Solution

The fourth proportional to 52,829.46, 72,905.63 and 28,955.96 is: 39,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.46 : 72,905.63 = 28,955.96 : x
  2. Step 2: Convert to fraction form
    52,829.46/72,905.63 = 28,955.96/x
  3. Step 3: Cross multiply
    52,829.46x = 72,905.63 × 28,955.96
  4. Step 4: Simplify right side
    52,829.46x = 2,111,051,996.75
  5. Step 5: Solve for x
    x = 2,111,051,996.75/52,829.46
  6. Step 6: Final answer
    x = 39,959.75

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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.