Home / 48,172.05-66,468.50-28,021.58

Finding the Fourth Proportional to 48,172.05, 66,468.50 and 28,021.58

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Solution

The fourth proportional to 48,172.05, 66,468.50 and 28,021.58 is: 38,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,172.05 : 66,468.50 = 28,021.58 : x
  2. Step 2: Convert to fraction form
    48,172.05/66,468.50 = 28,021.58/x
  3. Step 3: Cross multiply
    48,172.05x = 66,468.50 × 28,021.58
  4. Step 4: Simplify right side
    48,172.05x = 1,862,552,272.12
  5. Step 5: Solve for x
    x = 1,862,552,272.12/48,172.05
  6. Step 6: Final answer
    x = 38,664.58

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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.