Home / 42,458.80-63,611.40-34,625.20

Finding the Fourth Proportional to 42,458.80, 63,611.40 and 34,625.20

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Solution

The fourth proportional to 42,458.80, 63,611.40 and 34,625.20 is: 51,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,458.80 : 63,611.40 = 34,625.20 : x
  2. Step 2: Convert to fraction form
    42,458.80/63,611.40 = 34,625.20/x
  3. Step 3: Cross multiply
    42,458.80x = 63,611.40 × 34,625.20
  4. Step 4: Simplify right side
    42,458.80x = 2,202,557,447.28
  5. Step 5: Solve for x
    x = 2,202,557,447.28/42,458.80
  6. Step 6: Final answer
    x = 51,875.17

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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.