Home / 37,877.16-52,270.74-21,111.24

Finding the Fourth Proportional to 37,877.16, 52,270.74 and 21,111.24

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Solution

The fourth proportional to 37,877.16, 52,270.74 and 21,111.24 is: 29,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,877.16 : 52,270.74 = 21,111.24 : x
  2. Step 2: Convert to fraction form
    37,877.16/52,270.74 = 21,111.24/x
  3. Step 3: Cross multiply
    37,877.16x = 52,270.74 × 21,111.24
  4. Step 4: Simplify right side
    37,877.16x = 1,103,500,137.12
  5. Step 5: Solve for x
    x = 1,103,500,137.12/37,877.16
  6. Step 6: Final answer
    x = 29,133.66

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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.