Home / 38,576.88-53,234.64-21,810.24

Finding the Fourth Proportional to 38,576.88, 53,234.64 and 21,810.24

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Solution

The fourth proportional to 38,576.88, 53,234.64 and 21,810.24 is: 30,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,576.88 : 53,234.64 = 21,810.24 : x
  2. Step 2: Convert to fraction form
    38,576.88/53,234.64 = 21,810.24/x
  3. Step 3: Cross multiply
    38,576.88x = 53,234.64 × 21,810.24
  4. Step 4: Simplify right side
    38,576.88x = 1,161,060,274.71
  5. Step 5: Solve for x
    x = 1,161,060,274.71/38,576.88
  6. Step 6: Final answer
    x = 30,097.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.