Home / 35,686.85-53,536.28-12,307.82

Finding the Fourth Proportional to 35,686.85, 53,536.28 and 12,307.82

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Solution

The fourth proportional to 35,686.85, 53,536.28 and 12,307.82 is: 18,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.85 : 53,536.28 = 12,307.82 : x
  2. Step 2: Convert to fraction form
    35,686.85/53,536.28 = 12,307.82/x
  3. Step 3: Cross multiply
    35,686.85x = 53,536.28 × 12,307.82
  4. Step 4: Simplify right side
    35,686.85x = 658,914,568.49
  5. Step 5: Solve for x
    x = 658,914,568.49/35,686.85
  6. Step 6: Final answer
    x = 18,463.79

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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.