Home / 42,869.52-64,301.08-14,406.68

Finding the Fourth Proportional to 42,869.52, 64,301.08 and 14,406.68

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Solution

The fourth proportional to 42,869.52, 64,301.08 and 14,406.68 is: 21,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.52 : 64,301.08 = 14,406.68 : x
  2. Step 2: Convert to fraction form
    42,869.52/64,301.08 = 14,406.68/x
  3. Step 3: Cross multiply
    42,869.52x = 64,301.08 × 14,406.68
  4. Step 4: Simplify right side
    42,869.52x = 926,365,083.21
  5. Step 5: Solve for x
    x = 926,365,083.21/42,869.52
  6. Step 6: Final answer
    x = 21,608.94

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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.