Home / 56,673.56-84,954.86-21,108.78

Finding the Fourth Proportional to 56,673.56, 84,954.86 and 21,108.78

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Solution

The fourth proportional to 56,673.56, 84,954.86 and 21,108.78 is: 31,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,673.56 : 84,954.86 = 21,108.78 : x
  2. Step 2: Convert to fraction form
    56,673.56/84,954.86 = 21,108.78/x
  3. Step 3: Cross multiply
    56,673.56x = 84,954.86 × 21,108.78
  4. Step 4: Simplify right side
    56,673.56x = 1,793,293,449.67
  5. Step 5: Solve for x
    x = 1,793,293,449.67/56,673.56
  6. Step 6: Final answer
    x = 31,642.51

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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.