Home / 52,889.31-79,334.28-21,313.89

Finding the Fourth Proportional to 52,889.31, 79,334.28 and 21,313.89

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Solution

The fourth proportional to 52,889.31, 79,334.28 and 21,313.89 is: 31,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,889.31 : 79,334.28 = 21,313.89 : x
  2. Step 2: Convert to fraction form
    52,889.31/79,334.28 = 21,313.89/x
  3. Step 3: Cross multiply
    52,889.31x = 79,334.28 × 21,313.89
  4. Step 4: Simplify right side
    52,889.31x = 1,690,922,117.15
  5. Step 5: Solve for x
    x = 1,690,922,117.15/52,889.31
  6. Step 6: Final answer
    x = 31,970.96

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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.