Home / 52,510.82-78,740.64-17,438.63

Finding the Fourth Proportional to 52,510.82, 78,740.64 and 17,438.63

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Solution

The fourth proportional to 52,510.82, 78,740.64 and 17,438.63 is: 26,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,510.82 : 78,740.64 = 17,438.63 : x
  2. Step 2: Convert to fraction form
    52,510.82/78,740.64 = 17,438.63/x
  3. Step 3: Cross multiply
    52,510.82x = 78,740.64 × 17,438.63
  4. Step 4: Simplify right side
    52,510.82x = 1,373,128,493.22
  5. Step 5: Solve for x
    x = 1,373,128,493.22/52,510.82
  6. Step 6: Final answer
    x = 26,149.44

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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.