Home / 39,569.85-59,362.47-12,923.28

Finding the Fourth Proportional to 39,569.85, 59,362.47 and 12,923.28

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Solution

The fourth proportional to 39,569.85, 59,362.47 and 12,923.28 is: 19,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,569.85 : 59,362.47 = 12,923.28 : x
  2. Step 2: Convert to fraction form
    39,569.85/59,362.47 = 12,923.28/x
  3. Step 3: Cross multiply
    39,569.85x = 59,362.47 × 12,923.28
  4. Step 4: Simplify right side
    39,569.85x = 767,157,821.30
  5. Step 5: Solve for x
    x = 767,157,821.30/39,569.85
  6. Step 6: Final answer
    x = 19,387.43

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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.