Home / 46,142.43-69,159.64-21,184.89

Finding the Fourth Proportional to 46,142.43, 69,159.64 and 21,184.89

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Solution

The fourth proportional to 46,142.43, 69,159.64 and 21,184.89 is: 31,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,142.43 : 69,159.64 = 21,184.89 : x
  2. Step 2: Convert to fraction form
    46,142.43/69,159.64 = 21,184.89/x
  3. Step 3: Cross multiply
    46,142.43x = 69,159.64 × 21,184.89
  4. Step 4: Simplify right side
    46,142.43x = 1,465,139,365.84
  5. Step 5: Solve for x
    x = 1,465,139,365.84/46,142.43
  6. Step 6: Final answer
    x = 31,752.54

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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.