Home / 48,971.86-67,580.53-28,829.59

Finding the Fourth Proportional to 48,971.86, 67,580.53 and 28,829.59

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Solution

The fourth proportional to 48,971.86, 67,580.53 and 28,829.59 is: 39,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,971.86 : 67,580.53 = 28,829.59 : x
  2. Step 2: Convert to fraction form
    48,971.86/67,580.53 = 28,829.59/x
  3. Step 3: Cross multiply
    48,971.86x = 67,580.53 × 28,829.59
  4. Step 4: Simplify right side
    48,971.86x = 1,948,318,971.88
  5. Step 5: Solve for x
    x = 1,948,318,971.88/48,971.86
  6. Step 6: Final answer
    x = 39,784.46

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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.