Home / 42,394.10-63,592.50-21,322.64

Finding the Fourth Proportional to 42,394.10, 63,592.50 and 21,322.64

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Solution

The fourth proportional to 42,394.10, 63,592.50 and 21,322.64 is: 31,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,394.10 : 63,592.50 = 21,322.64 : x
  2. Step 2: Convert to fraction form
    42,394.10/63,592.50 = 21,322.64/x
  3. Step 3: Cross multiply
    42,394.10x = 63,592.50 × 21,322.64
  4. Step 4: Simplify right side
    42,394.10x = 1,355,959,586.28
  5. Step 5: Solve for x
    x = 1,355,959,586.28/42,394.10
  6. Step 6: Final answer
    x = 31,984.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.