Home / 38,210.11-52,727.57-21,213.36

Finding the Fourth Proportional to 38,210.11, 52,727.57 and 21,213.36

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Solution

The fourth proportional to 38,210.11, 52,727.57 and 21,213.36 is: 29,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,210.11 : 52,727.57 = 21,213.36 : x
  2. Step 2: Convert to fraction form
    38,210.11/52,727.57 = 21,213.36/x
  3. Step 3: Cross multiply
    38,210.11x = 52,727.57 × 21,213.36
  4. Step 4: Simplify right side
    38,210.11x = 1,118,528,924.34
  5. Step 5: Solve for x
    x = 1,118,528,924.34/38,210.11
  6. Step 6: Final answer
    x = 29,273.11

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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.