Home / 56,172.64-84,284.88-28,091.56

Finding the Fourth Proportional to 56,172.64, 84,284.88 and 28,091.56

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Solution

The fourth proportional to 56,172.64, 84,284.88 and 28,091.56 is: 42,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172.64 : 84,284.88 = 28,091.56 : x
  2. Step 2: Convert to fraction form
    56,172.64/84,284.88 = 28,091.56/x
  3. Step 3: Cross multiply
    56,172.64x = 84,284.88 × 28,091.56
  4. Step 4: Simplify right side
    56,172.64x = 2,367,693,763.61
  5. Step 5: Solve for x
    x = 2,367,693,763.61/56,172.64
  6. Step 6: Final answer
    x = 42,150.30

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1.5x scale

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.