Home / 56,455.84-84,662.21-19,005.87

Finding the Fourth Proportional to 56,455.84, 84,662.21 and 19,005.87

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Solution

The fourth proportional to 56,455.84, 84,662.21 and 19,005.87 is: 28,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,455.84 : 84,662.21 = 19,005.87 : x
  2. Step 2: Convert to fraction form
    56,455.84/84,662.21 = 19,005.87/x
  3. Step 3: Cross multiply
    56,455.84x = 84,662.21 × 19,005.87
  4. Step 4: Simplify right side
    56,455.84x = 1,609,078,607.83
  5. Step 5: Solve for x
    x = 1,609,078,607.83/56,455.84
  6. Step 6: Final answer
    x = 28,501.55

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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.