Home / 38,462.24-53,077.89-21,234.62

Finding the Fourth Proportional to 38,462.24, 53,077.89 and 21,234.62

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Solution

The fourth proportional to 38,462.24, 53,077.89 and 21,234.62 is: 29,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,462.24 : 53,077.89 = 21,234.62 : x
  2. Step 2: Convert to fraction form
    38,462.24/53,077.89 = 21,234.62/x
  3. Step 3: Cross multiply
    38,462.24x = 53,077.89 × 21,234.62
  4. Step 4: Simplify right side
    38,462.24x = 1,127,088,824.55
  5. Step 5: Solve for x
    x = 1,127,088,824.55/38,462.24
  6. Step 6: Final answer
    x = 29,303.77

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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.