Home / 61,095.47-91,615.66-21,643.61

Finding the Fourth Proportional to 61,095.47, 91,615.66 and 21,643.61

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Solution

The fourth proportional to 61,095.47, 91,615.66 and 21,643.61 is: 32,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,095.47 : 91,615.66 = 21,643.61 : x
  2. Step 2: Convert to fraction form
    61,095.47/91,615.66 = 21,643.61/x
  3. Step 3: Cross multiply
    61,095.47x = 91,615.66 × 21,643.61
  4. Step 4: Simplify right side
    61,095.47x = 1,982,893,102.75
  5. Step 5: Solve for x
    x = 1,982,893,102.75/61,095.47
  6. Step 6: Final answer
    x = 32,455.65

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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.