Home / 42,993.41-59,333.57-28,628.61

Finding the Fourth Proportional to 42,993.41, 59,333.57 and 28,628.61

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Solution

The fourth proportional to 42,993.41, 59,333.57 and 28,628.61 is: 39,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,993.41 : 59,333.57 = 28,628.61 : x
  2. Step 2: Convert to fraction form
    42,993.41/59,333.57 = 28,628.61/x
  3. Step 3: Cross multiply
    42,993.41x = 59,333.57 × 28,628.61
  4. Step 4: Simplify right side
    42,993.41x = 1,698,637,635.44
  5. Step 5: Solve for x
    x = 1,698,637,635.44/42,993.41
  6. Step 6: Final answer
    x = 39,509.26

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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.