Home / 52,042.80-78,064.56-14,603.09

Finding the Fourth Proportional to 52,042.80, 78,064.56 and 14,603.09

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Solution

The fourth proportional to 52,042.80, 78,064.56 and 14,603.09 is: 21,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042.80 : 78,064.56 = 14,603.09 : x
  2. Step 2: Convert to fraction form
    52,042.80/78,064.56 = 14,603.09/x
  3. Step 3: Cross multiply
    52,042.80x = 78,064.56 × 14,603.09
  4. Step 4: Simplify right side
    52,042.80x = 1,139,983,405.17
  5. Step 5: Solve for x
    x = 1,139,983,405.17/52,042.80
  6. Step 6: Final answer
    x = 21,904.73

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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.