Home / 61,370.28-91,980.04-31,771.24

Finding the Fourth Proportional to 61,370.28, 91,980.04 and 31,771.24

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Solution

The fourth proportional to 61,370.28, 91,980.04 and 31,771.24 is: 47,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,370.28 : 91,980.04 = 31,771.24 : x
  2. Step 2: Convert to fraction form
    61,370.28/91,980.04 = 31,771.24/x
  3. Step 3: Cross multiply
    61,370.28x = 91,980.04 × 31,771.24
  4. Step 4: Simplify right side
    61,370.28x = 2,922,319,926.05
  5. Step 5: Solve for x
    x = 2,922,319,926.05/61,370.28
  6. Step 6: Final answer
    x = 47,617.84

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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.