Home / 38,168.95-52,673.10-21,175.77

Finding the Fourth Proportional to 38,168.95, 52,673.10 and 21,175.77

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Solution

The fourth proportional to 38,168.95, 52,673.10 and 21,175.77 is: 29,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.95 : 52,673.10 = 21,175.77 : x
  2. Step 2: Convert to fraction form
    38,168.95/52,673.10 = 21,175.77/x
  3. Step 3: Cross multiply
    38,168.95x = 52,673.10 × 21,175.77
  4. Step 4: Simplify right side
    38,168.95x = 1,115,393,228.32
  5. Step 5: Solve for x
    x = 1,115,393,228.32/38,168.95
  6. Step 6: Final answer
    x = 29,222.53

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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.