Home / 54,595.65-81,844.76-21,307.98

Finding the Fourth Proportional to 54,595.65, 81,844.76 and 21,307.98

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Solution

The fourth proportional to 54,595.65, 81,844.76 and 21,307.98 is: 31,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,595.65 : 81,844.76 = 21,307.98 : x
  2. Step 2: Convert to fraction form
    54,595.65/81,844.76 = 21,307.98/x
  3. Step 3: Cross multiply
    54,595.65x = 81,844.76 × 21,307.98
  4. Step 4: Simplify right side
    54,595.65x = 1,743,946,402.64
  5. Step 5: Solve for x
    x = 1,743,946,402.64/54,595.65
  6. Step 6: Final answer
    x = 31,942.96

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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.