Home / 48,718.32-72,866.39-28,680.06

Finding the Fourth Proportional to 48,718.32, 72,866.39 and 28,680.06

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Solution

The fourth proportional to 48,718.32, 72,866.39 and 28,680.06 is: 42,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.32 : 72,866.39 = 28,680.06 : x
  2. Step 2: Convert to fraction form
    48,718.32/72,866.39 = 28,680.06/x
  3. Step 3: Cross multiply
    48,718.32x = 72,866.39 × 28,680.06
  4. Step 4: Simplify right side
    48,718.32x = 2,089,812,293.78
  5. Step 5: Solve for x
    x = 2,089,812,293.78/48,718.32
  6. Step 6: Final answer
    x = 42,895.82

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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.