Home / 61,005.07-91,374.31-25,358.32

Finding the Fourth Proportional to 61,005.07, 91,374.31 and 25,358.32

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Solution

The fourth proportional to 61,005.07, 91,374.31 and 25,358.32 is: 37,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,005.07 : 91,374.31 = 25,358.32 : x
  2. Step 2: Convert to fraction form
    61,005.07/91,374.31 = 25,358.32/x
  3. Step 3: Cross multiply
    61,005.07x = 91,374.31 × 25,358.32
  4. Step 4: Simplify right side
    61,005.07x = 2,317,098,992.76
  5. Step 5: Solve for x
    x = 2,317,098,992.76/61,005.07
  6. Step 6: Final answer
    x = 37,982.07

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1.5x scale

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.