Home / 52,239.77-72,092.36-30,731.09

Finding the Fourth Proportional to 52,239.77, 72,092.36 and 30,731.09

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Solution

The fourth proportional to 52,239.77, 72,092.36 and 30,731.09 is: 42,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,239.77 : 72,092.36 = 30,731.09 : x
  2. Step 2: Convert to fraction form
    52,239.77/72,092.36 = 30,731.09/x
  3. Step 3: Cross multiply
    52,239.77x = 72,092.36 × 30,731.09
  4. Step 4: Simplify right side
    52,239.77x = 2,215,477,060.53
  5. Step 5: Solve for x
    x = 2,215,477,060.53/52,239.77
  6. Step 6: Final answer
    x = 42,409.78

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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.