Home / 56,090.24-84,110.70-21,005.29

Finding the Fourth Proportional to 56,090.24, 84,110.70 and 21,005.29

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Solution

The fourth proportional to 56,090.24, 84,110.70 and 21,005.29 is: 31,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.24 : 84,110.70 = 21,005.29 : x
  2. Step 2: Convert to fraction form
    56,090.24/84,110.70 = 21,005.29/x
  3. Step 3: Cross multiply
    56,090.24x = 84,110.70 × 21,005.29
  4. Step 4: Simplify right side
    56,090.24x = 1,766,769,829.51
  5. Step 5: Solve for x
    x = 1,766,769,829.51/56,090.24
  6. Step 6: Final answer
    x = 31,498.70

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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.