Home / 38,124.14-52,606.32-21,127.56

Finding the Fourth Proportional to 38,124.14, 52,606.32 and 21,127.56

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Solution

The fourth proportional to 38,124.14, 52,606.32 and 21,127.56 is: 29,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,124.14 : 52,606.32 = 21,127.56 : x
  2. Step 2: Convert to fraction form
    38,124.14/52,606.32 = 21,127.56/x
  3. Step 3: Cross multiply
    38,124.14x = 52,606.32 × 21,127.56
  4. Step 4: Simplify right side
    38,124.14x = 1,111,443,182.18
  5. Step 5: Solve for x
    x = 1,111,443,182.18/38,124.14
  6. Step 6: Final answer
    x = 29,153.27

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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.