Home / 42,807.05-64,194.61-14,719.16

Finding the Fourth Proportional to 42,807.05, 64,194.61 and 14,719.16

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Solution

The fourth proportional to 42,807.05, 64,194.61 and 14,719.16 is: 22,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,807.05 : 64,194.61 = 14,719.16 : x
  2. Step 2: Convert to fraction form
    42,807.05/64,194.61 = 14,719.16/x
  3. Step 3: Cross multiply
    42,807.05x = 64,194.61 × 14,719.16
  4. Step 4: Simplify right side
    42,807.05x = 944,890,735.73
  5. Step 5: Solve for x
    x = 944,890,735.73/42,807.05
  6. Step 6: Final answer
    x = 22,073.25

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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.