Home / 49,988.98-74,981.58-12,549.34

Finding the Fourth Proportional to 49,988.98, 74,981.58 and 12,549.34

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Solution

The fourth proportional to 49,988.98, 74,981.58 and 12,549.34 is: 18,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988.98 : 74,981.58 = 12,549.34 : x
  2. Step 2: Convert to fraction form
    49,988.98/74,981.58 = 12,549.34/x
  3. Step 3: Cross multiply
    49,988.98x = 74,981.58 × 12,549.34
  4. Step 4: Simplify right side
    49,988.98x = 940,969,341.16
  5. Step 5: Solve for x
    x = 940,969,341.16/49,988.98
  6. Step 6: Final answer
    x = 18,823.54

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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.