Home / 56,175.12-84,252.96-21,108.60

Finding the Fourth Proportional to 56,175.12, 84,252.96 and 21,108.60

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Solution

The fourth proportional to 56,175.12, 84,252.96 and 21,108.60 is: 31,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,175.12 : 84,252.96 = 21,108.60 : x
  2. Step 2: Convert to fraction form
    56,175.12/84,252.96 = 21,108.60/x
  3. Step 3: Cross multiply
    56,175.12x = 84,252.96 × 21,108.60
  4. Step 4: Simplify right side
    56,175.12x = 1,778,462,031.46
  5. Step 5: Solve for x
    x = 1,778,462,031.46/56,175.12
  6. Step 6: Final answer
    x = 31,659.25

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1.5x scale

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.