Home / 61,203.48-91,746.50-21,739.07

Finding the Fourth Proportional to 61,203.48, 91,746.50 and 21,739.07

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Solution

The fourth proportional to 61,203.48, 91,746.50 and 21,739.07 is: 32,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,203.48 : 91,746.50 = 21,739.07 : x
  2. Step 2: Convert to fraction form
    61,203.48/91,746.50 = 21,739.07/x
  3. Step 3: Cross multiply
    61,203.48x = 91,746.50 × 21,739.07
  4. Step 4: Simplify right side
    61,203.48x = 1,994,483,018.33
  5. Step 5: Solve for x
    x = 1,994,483,018.33/61,203.48
  6. Step 6: Final answer
    x = 32,587.74

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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.