Home / 42,657.17-63,992.21-14,570.60

Finding the Fourth Proportional to 42,657.17, 63,992.21 and 14,570.60

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Solution

The fourth proportional to 42,657.17, 63,992.21 and 14,570.60 is: 21,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657.17 : 63,992.21 = 14,570.60 : x
  2. Step 2: Convert to fraction form
    42,657.17/63,992.21 = 14,570.60/x
  3. Step 3: Cross multiply
    42,657.17x = 63,992.21 × 14,570.60
  4. Step 4: Simplify right side
    42,657.17x = 932,404,502.21
  5. Step 5: Solve for x
    x = 932,404,502.21/42,657.17
  6. Step 6: Final answer
    x = 21,858.10

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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.