Home / 42,287.40-63,433.08-34,878.06

Finding the Fourth Proportional to 42,287.40, 63,433.08 and 34,878.06

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Solution

The fourth proportional to 42,287.40, 63,433.08 and 34,878.06 is: 52,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,287.40 : 63,433.08 = 34,878.06 : x
  2. Step 2: Convert to fraction form
    42,287.40/63,433.08 = 34,878.06/x
  3. Step 3: Cross multiply
    42,287.40x = 63,433.08 × 34,878.06
  4. Step 4: Simplify right side
    42,287.40x = 2,212,422,770.22
  5. Step 5: Solve for x
    x = 2,212,422,770.22/42,287.40
  6. Step 6: Final answer
    x = 52,318.72

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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.