Home / 48,172.34-66,500.14-28,021.88

Finding the Fourth Proportional to 48,172.34, 66,500.14 and 28,021.88

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Solution

The fourth proportional to 48,172.34, 66,500.14 and 28,021.88 is: 38,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,172.34 : 66,500.14 = 28,021.88 : x
  2. Step 2: Convert to fraction form
    48,172.34/66,500.14 = 28,021.88/x
  3. Step 3: Cross multiply
    48,172.34x = 66,500.14 × 28,021.88
  4. Step 4: Simplify right side
    48,172.34x = 1,863,458,943.06
  5. Step 5: Solve for x
    x = 1,863,458,943.06/48,172.34
  6. Step 6: Final answer
    x = 38,683.17

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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.