Home / 52,511.58-72,467.74-28,639.56

Finding the Fourth Proportional to 52,511.58, 72,467.74 and 28,639.56

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Solution

The fourth proportional to 52,511.58, 72,467.74 and 28,639.56 is: 39,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.58 : 72,467.74 = 28,639.56 : x
  2. Step 2: Convert to fraction form
    52,511.58/72,467.74 = 28,639.56/x
  3. Step 3: Cross multiply
    52,511.58x = 72,467.74 × 28,639.56
  4. Step 4: Simplify right side
    52,511.58x = 2,075,444,187.79
  5. Step 5: Solve for x
    x = 2,075,444,187.79/52,511.58
  6. Step 6: Final answer
    x = 39,523.55

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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.