Home / 46,878.90-64,691.30-25,657.72

Finding the Fourth Proportional to 46,878.90, 64,691.30 and 25,657.72

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Solution

The fourth proportional to 46,878.90, 64,691.30 and 25,657.72 is: 35,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,878.90 : 64,691.30 = 25,657.72 : x
  2. Step 2: Convert to fraction form
    46,878.90/64,691.30 = 25,657.72/x
  3. Step 3: Cross multiply
    46,878.90x = 64,691.30 × 25,657.72
  4. Step 4: Simplify right side
    46,878.90x = 1,659,831,261.84
  5. Step 5: Solve for x
    x = 1,659,831,261.84/46,878.90
  6. Step 6: Final answer
    x = 35,406.79

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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.