Home / 38,154.35-52,653.62-21,159.29

Finding the Fourth Proportional to 38,154.35, 52,653.62 and 21,159.29

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Solution

The fourth proportional to 38,154.35, 52,653.62 and 21,159.29 is: 29,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.35 : 52,653.62 = 21,159.29 : x
  2. Step 2: Convert to fraction form
    38,154.35/52,653.62 = 21,159.29/x
  3. Step 3: Cross multiply
    38,154.35x = 52,653.62 × 21,159.29
  4. Step 4: Simplify right side
    38,154.35x = 1,114,113,215.13
  5. Step 5: Solve for x
    x = 1,114,113,215.13/38,154.35
  6. Step 6: Final answer
    x = 29,200.16

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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.