Home / 42,053.84-58,003.08-28,620.88

Finding the Fourth Proportional to 42,053.84, 58,003.08 and 28,620.88

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Solution

The fourth proportional to 42,053.84, 58,003.08 and 28,620.88 is: 39,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053.84 : 58,003.08 = 28,620.88 : x
  2. Step 2: Convert to fraction form
    42,053.84/58,003.08 = 28,620.88/x
  3. Step 3: Cross multiply
    42,053.84x = 58,003.08 × 28,620.88
  4. Step 4: Simplify right side
    42,053.84x = 1,660,099,192.31
  5. Step 5: Solve for x
    x = 1,660,099,192.31/42,053.84
  6. Step 6: Final answer
    x = 39,475.57

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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.