Home / 56,938.90-85,460.61-28,878.49

Finding the Fourth Proportional to 56,938.90, 85,460.61 and 28,878.49

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Solution

The fourth proportional to 56,938.90, 85,460.61 and 28,878.49 is: 43,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.90 : 85,460.61 = 28,878.49 : x
  2. Step 2: Convert to fraction form
    56,938.90/85,460.61 = 28,878.49/x
  3. Step 3: Cross multiply
    56,938.90x = 85,460.61 × 28,878.49
  4. Step 4: Simplify right side
    56,938.90x = 2,467,973,371.28
  5. Step 5: Solve for x
    x = 2,467,973,371.28/56,938.90
  6. Step 6: Final answer
    x = 43,344.24

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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.