Home / 52,429.68-78,644.34-21,264.84

Finding the Fourth Proportional to 52,429.68, 78,644.34 and 21,264.84

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Solution

The fourth proportional to 52,429.68, 78,644.34 and 21,264.84 is: 31,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,429.68 : 78,644.34 = 21,264.84 : x
  2. Step 2: Convert to fraction form
    52,429.68/78,644.34 = 21,264.84/x
  3. Step 3: Cross multiply
    52,429.68x = 78,644.34 × 21,264.84
  4. Step 4: Simplify right side
    52,429.68x = 1,672,359,307.01
  5. Step 5: Solve for x
    x = 1,672,359,307.01/52,429.68
  6. Step 6: Final answer
    x = 31,897.19

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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.