Home / 56,090.80-84,138.36-14,536.72

Finding the Fourth Proportional to 56,090.80, 84,138.36 and 14,536.72

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Solution

The fourth proportional to 56,090.80, 84,138.36 and 14,536.72 is: 21,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.80 : 84,138.36 = 14,536.72 : x
  2. Step 2: Convert to fraction form
    56,090.80/84,138.36 = 14,536.72/x
  3. Step 3: Cross multiply
    56,090.80x = 84,138.36 × 14,536.72
  4. Step 4: Simplify right side
    56,090.80x = 1,223,095,780.58
  5. Step 5: Solve for x
    x = 1,223,095,780.58/56,090.80
  6. Step 6: Final answer
    x = 21,805.64

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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.