Home / 29,333.32-40,479.96-15,905.02

Finding the Fourth Proportional to 29,333.32, 40,479.96 and 15,905.02

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Solution

The fourth proportional to 29,333.32, 40,479.96 and 15,905.02 is: 21,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.32 : 40,479.96 = 15,905.02 : x
  2. Step 2: Convert to fraction form
    29,333.32/40,479.96 = 15,905.02/x
  3. Step 3: Cross multiply
    29,333.32x = 40,479.96 × 15,905.02
  4. Step 4: Simplify right side
    29,333.32x = 643,834,573.40
  5. Step 5: Solve for x
    x = 643,834,573.40/29,333.32
  6. Step 6: Final answer
    x = 21,948.92

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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.