Home / 52,450.64-72,382.74-28,578.32

Finding the Fourth Proportional to 52,450.64, 72,382.74 and 28,578.32

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Solution

The fourth proportional to 52,450.64, 72,382.74 and 28,578.32 is: 39,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.64 : 72,382.74 = 28,578.32 : x
  2. Step 2: Convert to fraction form
    52,450.64/72,382.74 = 28,578.32/x
  3. Step 3: Cross multiply
    52,450.64x = 72,382.74 × 28,578.32
  4. Step 4: Simplify right side
    52,450.64x = 2,068,577,106.20
  5. Step 5: Solve for x
    x = 2,068,577,106.20/52,450.64
  6. Step 6: Final answer
    x = 39,438.55

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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.