Home / 52,986.34-79,486.89-17,916.58

Finding the Fourth Proportional to 52,986.34, 79,486.89 and 17,916.58

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Solution

The fourth proportional to 52,986.34, 79,486.89 and 17,916.58 is: 26,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.34 : 79,486.89 = 17,916.58 : x
  2. Step 2: Convert to fraction form
    52,986.34/79,486.89 = 17,916.58/x
  3. Step 3: Cross multiply
    52,986.34x = 79,486.89 × 17,916.58
  4. Step 4: Simplify right side
    52,986.34x = 1,424,133,223.64
  5. Step 5: Solve for x
    x = 1,424,133,223.64/52,986.34
  6. Step 6: Final answer
    x = 26,877.37

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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.