Home / 52,111.49-71,913.83-28,237.95

Finding the Fourth Proportional to 52,111.49, 71,913.83 and 28,237.95

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Solution

The fourth proportional to 52,111.49, 71,913.83 and 28,237.95 is: 38,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111.49 : 71,913.83 = 28,237.95 : x
  2. Step 2: Convert to fraction form
    52,111.49/71,913.83 = 28,237.95/x
  3. Step 3: Cross multiply
    52,111.49x = 71,913.83 × 28,237.95
  4. Step 4: Simplify right side
    52,111.49x = 2,030,698,994.66
  5. Step 5: Solve for x
    x = 2,030,698,994.66/52,111.49
  6. Step 6: Final answer
    x = 38,968.36

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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.