Home / 35,681.76-49,240.17-19,765.86

Finding the Fourth Proportional to 35,681.76, 49,240.17 and 19,765.86

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Solution

The fourth proportional to 35,681.76, 49,240.17 and 19,765.86 is: 27,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.76 : 49,240.17 = 19,765.86 : x
  2. Step 2: Convert to fraction form
    35,681.76/49,240.17 = 19,765.86/x
  3. Step 3: Cross multiply
    35,681.76x = 49,240.17 × 19,765.86
  4. Step 4: Simplify right side
    35,681.76x = 973,274,306.60
  5. Step 5: Solve for x
    x = 973,274,306.60/35,681.76
  6. Step 6: Final answer
    x = 27,276.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.