Home / 56,431.62-84,686.38-19,495.62

Finding the Fourth Proportional to 56,431.62, 84,686.38 and 19,495.62

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Solution

The fourth proportional to 56,431.62, 84,686.38 and 19,495.62 is: 29,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,431.62 : 84,686.38 = 19,495.62 : x
  2. Step 2: Convert to fraction form
    56,431.62/84,686.38 = 19,495.62/x
  3. Step 3: Cross multiply
    56,431.62x = 84,686.38 × 19,495.62
  4. Step 4: Simplify right side
    56,431.62x = 1,651,013,483.66
  5. Step 5: Solve for x
    x = 1,651,013,483.66/56,431.62
  6. Step 6: Final answer
    x = 29,256.89

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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.