Home / 53,244.24-79,889.04-19,980.24

Finding the Fourth Proportional to 53,244.24, 79,889.04 and 19,980.24

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Solution

The fourth proportional to 53,244.24, 79,889.04 and 19,980.24 is: 29,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,244.24 : 79,889.04 = 19,980.24 : x
  2. Step 2: Convert to fraction form
    53,244.24/79,889.04 = 19,980.24/x
  3. Step 3: Cross multiply
    53,244.24x = 79,889.04 × 19,980.24
  4. Step 4: Simplify right side
    53,244.24x = 1,596,202,192.57
  5. Step 5: Solve for x
    x = 1,596,202,192.57/53,244.24
  6. Step 6: Final answer
    x = 29,978.87

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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.