Home / 39,860.36-59,782.38-14,895.80

Finding the Fourth Proportional to 39,860.36, 59,782.38 and 14,895.80

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Solution

The fourth proportional to 39,860.36, 59,782.38 and 14,895.80 is: 22,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860.36 : 59,782.38 = 14,895.80 : x
  2. Step 2: Convert to fraction form
    39,860.36/59,782.38 = 14,895.80/x
  3. Step 3: Cross multiply
    39,860.36x = 59,782.38 × 14,895.80
  4. Step 4: Simplify right side
    39,860.36x = 890,506,376.00
  5. Step 5: Solve for x
    x = 890,506,376.00/39,860.36
  6. Step 6: Final answer
    x = 22,340.65

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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.