Home / 52,411.87-72,329.93-28,539.55

Finding the Fourth Proportional to 52,411.87, 72,329.93 and 28,539.55

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Solution

The fourth proportional to 52,411.87, 72,329.93 and 28,539.55 is: 39,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,411.87 : 72,329.93 = 28,539.55 : x
  2. Step 2: Convert to fraction form
    52,411.87/72,329.93 = 28,539.55/x
  3. Step 3: Cross multiply
    52,411.87x = 72,329.93 × 28,539.55
  4. Step 4: Simplify right side
    52,411.87x = 2,064,263,653.73
  5. Step 5: Solve for x
    x = 2,064,263,653.73/52,411.87
  6. Step 6: Final answer
    x = 39,385.42

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1.5x scale

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.