Home / 38,878.77-58,327.41-12,583.51

Finding the Fourth Proportional to 38,878.77, 58,327.41 and 12,583.51

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Solution

The fourth proportional to 38,878.77, 58,327.41 and 12,583.51 is: 18,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,878.77 : 58,327.41 = 12,583.51 : x
  2. Step 2: Convert to fraction form
    38,878.77/58,327.41 = 12,583.51/x
  3. Step 3: Cross multiply
    38,878.77x = 58,327.41 × 12,583.51
  4. Step 4: Simplify right side
    38,878.77x = 733,963,547.01
  5. Step 5: Solve for x
    x = 733,963,547.01/38,878.77
  6. Step 6: Final answer
    x = 18,878.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.