Home / 40,990.47-61,567.65-39,645.33

Finding the Fourth Proportional to 40,990.47, 61,567.65 and 39,645.33

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Solution

The fourth proportional to 40,990.47, 61,567.65 and 39,645.33 is: 59,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990.47 : 61,567.65 = 39,645.33 : x
  2. Step 2: Convert to fraction form
    40,990.47/61,567.65 = 39,645.33/x
  3. Step 3: Cross multiply
    40,990.47x = 61,567.65 × 39,645.33
  4. Step 4: Simplify right side
    40,990.47x = 2,440,869,801.57
  5. Step 5: Solve for x
    x = 2,440,869,801.57/40,990.47
  6. Step 6: Final answer
    x = 59,547.25

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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.