Home / 61,007.07-91,377.31-25,360.32

Finding the Fourth Proportional to 61,007.07, 91,377.31 and 25,360.32

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Solution

The fourth proportional to 61,007.07, 91,377.31 and 25,360.32 is: 37,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,007.07 : 91,377.31 = 25,360.32 : x
  2. Step 2: Convert to fraction form
    61,007.07/91,377.31 = 25,360.32/x
  3. Step 3: Cross multiply
    61,007.07x = 91,377.31 × 25,360.32
  4. Step 4: Simplify right side
    61,007.07x = 2,317,357,822.34
  5. Step 5: Solve for x
    x = 2,317,357,822.34/61,007.07
  6. Step 6: Final answer
    x = 37,985.07

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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.