Home / 53,146.56-79,729.65-21,984.24

Finding the Fourth Proportional to 53,146.56, 79,729.65 and 21,984.24

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Solution

The fourth proportional to 53,146.56, 79,729.65 and 21,984.24 is: 32,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.56 : 79,729.65 = 21,984.24 : x
  2. Step 2: Convert to fraction form
    53,146.56/79,729.65 = 21,984.24/x
  3. Step 3: Cross multiply
    53,146.56x = 79,729.65 × 21,984.24
  4. Step 4: Simplify right side
    53,146.56x = 1,752,795,252.15
  5. Step 5: Solve for x
    x = 1,752,795,252.15/53,146.56
  6. Step 6: Final answer
    x = 32,980.41

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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.