Home / 51,900.57-71,622.95-30,101.08

Finding the Fourth Proportional to 51,900.57, 71,622.95 and 30,101.08

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Solution

The fourth proportional to 51,900.57, 71,622.95 and 30,101.08 is: 41,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,900.57 : 71,622.95 = 30,101.08 : x
  2. Step 2: Convert to fraction form
    51,900.57/71,622.95 = 30,101.08/x
  3. Step 3: Cross multiply
    51,900.57x = 71,622.95 × 30,101.08
  4. Step 4: Simplify right side
    51,900.57x = 2,155,927,920.40
  5. Step 5: Solve for x
    x = 2,155,927,920.40/51,900.57
  6. Step 6: Final answer
    x = 41,539.58

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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.