Home / 52,712.72-72,743.26-30,052.66

Finding the Fourth Proportional to 52,712.72, 72,743.26 and 30,052.66

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Solution

The fourth proportional to 52,712.72, 72,743.26 and 30,052.66 is: 41,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.72 : 72,743.26 = 30,052.66 : x
  2. Step 2: Convert to fraction form
    52,712.72/72,743.26 = 30,052.66/x
  3. Step 3: Cross multiply
    52,712.72x = 72,743.26 × 30,052.66
  4. Step 4: Simplify right side
    52,712.72x = 2,186,128,460.07
  5. Step 5: Solve for x
    x = 2,186,128,460.07/52,712.72
  6. Step 6: Final answer
    x = 41,472.50

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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.