Home / 53,213.40-73,434.50-30,553.87

Finding the Fourth Proportional to 53,213.40, 73,434.50 and 30,553.87

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Solution

The fourth proportional to 53,213.40, 73,434.50 and 30,553.87 is: 42,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.40 : 73,434.50 = 30,553.87 : x
  2. Step 2: Convert to fraction form
    53,213.40/73,434.50 = 30,553.87/x
  3. Step 3: Cross multiply
    53,213.40x = 73,434.50 × 30,553.87
  4. Step 4: Simplify right side
    53,213.40x = 2,243,708,166.52
  5. Step 5: Solve for x
    x = 2,243,708,166.52/53,213.40
  6. Step 6: Final answer
    x = 42,164.35

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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.