Home / 52,384.46-72,290.55-28,511.31

Finding the Fourth Proportional to 52,384.46, 72,290.55 and 28,511.31

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Solution

The fourth proportional to 52,384.46, 72,290.55 and 28,511.31 is: 39,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,384.46 : 72,290.55 = 28,511.31 : x
  2. Step 2: Convert to fraction form
    52,384.46/72,290.55 = 28,511.31/x
  3. Step 3: Cross multiply
    52,384.46x = 72,290.55 × 28,511.31
  4. Step 4: Simplify right side
    52,384.46x = 2,061,097,919.67
  5. Step 5: Solve for x
    x = 2,061,097,919.67/52,384.46
  6. Step 6: Final answer
    x = 39,345.60

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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.