Home / 45,965.48-63,428.47-25,820.78

Finding the Fourth Proportional to 45,965.48, 63,428.47 and 25,820.78

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Solution

The fourth proportional to 45,965.48, 63,428.47 and 25,820.78 is: 35,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,965.48 : 63,428.47 = 25,820.78 : x
  2. Step 2: Convert to fraction form
    45,965.48/63,428.47 = 25,820.78/x
  3. Step 3: Cross multiply
    45,965.48x = 63,428.47 × 25,820.78
  4. Step 4: Simplify right side
    45,965.48x = 1,637,772,187.91
  5. Step 5: Solve for x
    x = 1,637,772,187.91/45,965.48
  6. Step 6: Final answer
    x = 35,630.49

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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.