Home / 38,162.16-52,666.47-21,168.05

Finding the Fourth Proportional to 38,162.16, 52,666.47 and 21,168.05

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Solution

The fourth proportional to 38,162.16, 52,666.47 and 21,168.05 is: 29,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.16 : 52,666.47 = 21,168.05 : x
  2. Step 2: Convert to fraction form
    38,162.16/52,666.47 = 21,168.05/x
  3. Step 3: Cross multiply
    38,162.16x = 52,666.47 × 21,168.05
  4. Step 4: Simplify right side
    38,162.16x = 1,114,846,206.95
  5. Step 5: Solve for x
    x = 1,114,846,206.95/38,162.16
  6. Step 6: Final answer
    x = 29,213.39

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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.