Home / 52,439.84-72,368.10-28,566.47

Finding the Fourth Proportional to 52,439.84, 72,368.10 and 28,566.47

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Solution

The fourth proportional to 52,439.84, 72,368.10 and 28,566.47 is: 39,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,439.84 : 72,368.10 = 28,566.47 : x
  2. Step 2: Convert to fraction form
    52,439.84/72,368.10 = 28,566.47/x
  3. Step 3: Cross multiply
    52,439.84x = 72,368.10 × 28,566.47
  4. Step 4: Simplify right side
    52,439.84x = 2,067,300,795.77
  5. Step 5: Solve for x
    x = 2,067,300,795.77/52,439.84
  6. Step 6: Final answer
    x = 39,422.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.