Home / 42,893.34-64,332.81-11,723.10

Finding the Fourth Proportional to 42,893.34, 64,332.81 and 11,723.10

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Solution

The fourth proportional to 42,893.34, 64,332.81 and 11,723.10 is: 17,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,893.34 : 64,332.81 = 11,723.10 : x
  2. Step 2: Convert to fraction form
    42,893.34/64,332.81 = 11,723.10/x
  3. Step 3: Cross multiply
    42,893.34x = 64,332.81 × 11,723.10
  4. Step 4: Simplify right side
    42,893.34x = 754,179,964.91
  5. Step 5: Solve for x
    x = 754,179,964.91/42,893.34
  6. Step 6: Final answer
    x = 17,582.68

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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.