Home / 40,991.47-61,569.15-39,646.33

Finding the Fourth Proportional to 40,991.47, 61,569.15 and 39,646.33

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Solution

The fourth proportional to 40,991.47, 61,569.15 and 39,646.33 is: 59,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,991.47 : 61,569.15 = 39,646.33 : x
  2. Step 2: Convert to fraction form
    40,991.47/61,569.15 = 39,646.33/x
  3. Step 3: Cross multiply
    40,991.47x = 61,569.15 × 39,646.33
  4. Step 4: Simplify right side
    40,991.47x = 2,440,990,838.72
  5. Step 5: Solve for x
    x = 2,440,990,838.72/40,991.47
  6. Step 6: Final answer
    x = 59,548.75

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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.