Home / 42,623.52-63,938.88-11,460.48

Finding the Fourth Proportional to 42,623.52, 63,938.88 and 11,460.48

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Solution

The fourth proportional to 42,623.52, 63,938.88 and 11,460.48 is: 17,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.52 : 63,938.88 = 11,460.48 : x
  2. Step 2: Convert to fraction form
    42,623.52/63,938.88 = 11,460.48/x
  3. Step 3: Cross multiply
    42,623.52x = 63,938.88 × 11,460.48
  4. Step 4: Simplify right side
    42,623.52x = 732,770,255.46
  5. Step 5: Solve for x
    x = 732,770,255.46/42,623.52
  6. Step 6: Final answer
    x = 17,191.69

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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.