Home / 48,579,729.70-72,859,096.95-21,285,969.70

Finding the Fourth Proportional to 48,579,729.70, 72,859,096.95 and 21,285,969.70

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Solution

The fourth proportional to 48,579,729.70, 72,859,096.95 and 21,285,969.70 is: 31,924,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579,729.70 : 72,859,096.95 = 21,285,969.70 : x
  2. Step 2: Convert to fraction form
    48,579,729.70/72,859,096.95 = 21,285,969.70/x
  3. Step 3: Cross multiply
    48,579,729.70x = 72,859,096.95 × 21,285,969.70
  4. Step 4: Simplify right side
    48,579,729.70x = 1,550,876,530,047,062.50
  5. Step 5: Solve for x
    x = 1,550,876,530,047,062.50/48,579,729.70
  6. Step 6: Final answer
    x = 31,924,354.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.