Home / 45,804.15-68,690.02-21,785.62

Finding the Fourth Proportional to 45,804.15, 68,690.02 and 21,785.62

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Solution

The fourth proportional to 45,804.15, 68,690.02 and 21,785.62 is: 32,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,804.15 : 68,690.02 = 21,785.62 : x
  2. Step 2: Convert to fraction form
    45,804.15/68,690.02 = 21,785.62/x
  3. Step 3: Cross multiply
    45,804.15x = 68,690.02 × 21,785.62
  4. Step 4: Simplify right side
    45,804.15x = 1,496,454,564.58
  5. Step 5: Solve for x
    x = 1,496,454,564.58/45,804.15
  6. Step 6: Final answer
    x = 32,670.72

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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.