Home / 49,875.84-74,841.30-20,314.48

Finding the Fourth Proportional to 49,875.84, 74,841.30 and 20,314.48

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Solution

The fourth proportional to 49,875.84, 74,841.30 and 20,314.48 is: 30,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,875.84 : 74,841.30 = 20,314.48 : x
  2. Step 2: Convert to fraction form
    49,875.84/74,841.30 = 20,314.48/x
  3. Step 3: Cross multiply
    49,875.84x = 74,841.30 × 20,314.48
  4. Step 4: Simplify right side
    49,875.84x = 1,520,361,990.45
  5. Step 5: Solve for x
    x = 1,520,361,990.45/49,875.84
  6. Step 6: Final answer
    x = 30,482.94

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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.