Home / 35,965.84-53,948.76-12,586.81

Finding the Fourth Proportional to 35,965.84, 53,948.76 and 12,586.81

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Solution

The fourth proportional to 35,965.84, 53,948.76 and 12,586.81 is: 18,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,965.84 : 53,948.76 = 12,586.81 : x
  2. Step 2: Convert to fraction form
    35,965.84/53,948.76 = 12,586.81/x
  3. Step 3: Cross multiply
    35,965.84x = 53,948.76 × 12,586.81
  4. Step 4: Simplify right side
    35,965.84x = 679,042,791.86
  5. Step 5: Solve for x
    x = 679,042,791.86/35,965.84
  6. Step 6: Final answer
    x = 18,880.22

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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.