Home / 42,640.53-63,877.66-25,959.18

Finding the Fourth Proportional to 42,640.53, 63,877.66 and 25,959.18

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Solution

The fourth proportional to 42,640.53, 63,877.66 and 25,959.18 is: 38,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,640.53 : 63,877.66 = 25,959.18 : x
  2. Step 2: Convert to fraction form
    42,640.53/63,877.66 = 25,959.18/x
  3. Step 3: Cross multiply
    42,640.53x = 63,877.66 × 25,959.18
  4. Step 4: Simplify right side
    42,640.53x = 1,658,211,994.58
  5. Step 5: Solve for x
    x = 1,658,211,994.58/42,640.53
  6. Step 6: Final answer
    x = 38,888.17

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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.