Home / 56,262.63-77,667.89-38,135.81

Finding the Fourth Proportional to 56,262.63, 77,667.89 and 38,135.81

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Solution

The fourth proportional to 56,262.63, 77,667.89 and 38,135.81 is: 52,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,262.63 : 77,667.89 = 38,135.81 : x
  2. Step 2: Convert to fraction form
    56,262.63/77,667.89 = 38,135.81/x
  3. Step 3: Cross multiply
    56,262.63x = 77,667.89 × 38,135.81
  4. Step 4: Simplify right side
    56,262.63x = 2,961,928,006.89
  5. Step 5: Solve for x
    x = 2,961,928,006.89/56,262.63
  6. Step 6: Final answer
    x = 52,644.68

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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.