Home / 38,406.45-52,999.55-21,411.41

Finding the Fourth Proportional to 38,406.45, 52,999.55 and 21,411.41

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Solution

The fourth proportional to 38,406.45, 52,999.55 and 21,411.41 is: 29,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406.45 : 52,999.55 = 21,411.41 : x
  2. Step 2: Convert to fraction form
    38,406.45/52,999.55 = 21,411.41/x
  3. Step 3: Cross multiply
    38,406.45x = 52,999.55 × 21,411.41
  4. Step 4: Simplify right side
    38,406.45x = 1,134,795,340.62
  5. Step 5: Solve for x
    x = 1,134,795,340.62/38,406.45
  6. Step 6: Final answer
    x = 29,547.00

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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.