Home / 42,913.83-64,326.03-14,429.64

Finding the Fourth Proportional to 42,913.83, 64,326.03 and 14,429.64

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Solution

The fourth proportional to 42,913.83, 64,326.03 and 14,429.64 is: 21,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913.83 : 64,326.03 = 14,429.64 : x
  2. Step 2: Convert to fraction form
    42,913.83/64,326.03 = 14,429.64/x
  3. Step 3: Cross multiply
    42,913.83x = 64,326.03 × 14,429.64
  4. Step 4: Simplify right side
    42,913.83x = 928,201,455.53
  5. Step 5: Solve for x
    x = 928,201,455.53/42,913.83
  6. Step 6: Final answer
    x = 21,629.42

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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.