Home / 37,878.93-52,272.93-21,972.62

Finding the Fourth Proportional to 37,878.93, 52,272.93 and 21,972.62

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Solution

The fourth proportional to 37,878.93, 52,272.93 and 21,972.62 is: 30,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.93 : 52,272.93 = 21,972.62 : x
  2. Step 2: Convert to fraction form
    37,878.93/52,272.93 = 21,972.62/x
  3. Step 3: Cross multiply
    37,878.93x = 52,272.93 × 21,972.62
  4. Step 4: Simplify right side
    37,878.93x = 1,148,572,965.81
  5. Step 5: Solve for x
    x = 1,148,572,965.81/37,878.93
  6. Step 6: Final answer
    x = 30,322.21

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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.