Home / 56,113.44-84,118.32-21,076.08

Finding the Fourth Proportional to 56,113.44, 84,118.32 and 21,076.08

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Solution

The fourth proportional to 56,113.44, 84,118.32 and 21,076.08 is: 31,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,113.44 : 84,118.32 = 21,076.08 : x
  2. Step 2: Convert to fraction form
    56,113.44/84,118.32 = 21,076.08/x
  3. Step 3: Cross multiply
    56,113.44x = 84,118.32 × 21,076.08
  4. Step 4: Simplify right side
    56,113.44x = 1,772,884,441.79
  5. Step 5: Solve for x
    x = 1,772,884,441.79/56,113.44
  6. Step 6: Final answer
    x = 31,594.65

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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.