Home / 37,872.64-52,264.32-21,106.24

Finding the Fourth Proportional to 37,872.64, 52,264.32 and 21,106.24

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Solution

The fourth proportional to 37,872.64, 52,264.32 and 21,106.24 is: 29,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,872.64 : 52,264.32 = 21,106.24 : x
  2. Step 2: Convert to fraction form
    37,872.64/52,264.32 = 21,106.24/x
  3. Step 3: Cross multiply
    37,872.64x = 52,264.32 × 21,106.24
  4. Step 4: Simplify right side
    37,872.64x = 1,103,103,281.36
  5. Step 5: Solve for x
    x = 1,103,103,281.36/37,872.64
  6. Step 6: Final answer
    x = 29,126.65

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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.