Home / 45,877.60-63,307.28-25,731.68

Finding the Fourth Proportional to 45,877.60, 63,307.28 and 25,731.68

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Solution

The fourth proportional to 45,877.60, 63,307.28 and 25,731.68 is: 35,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,877.60 : 63,307.28 = 25,731.68 : x
  2. Step 2: Convert to fraction form
    45,877.60/63,307.28 = 25,731.68/x
  3. Step 3: Cross multiply
    45,877.60x = 63,307.28 × 25,731.68
  4. Step 4: Simplify right side
    45,877.60x = 1,629,002,670.63
  5. Step 5: Solve for x
    x = 1,629,002,670.63/45,877.60
  6. Step 6: Final answer
    x = 35,507.58

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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.