Home / 39,054.57-58,581.84-15,681

Finding the Fourth Proportional to 39,054.57, 58,581.84 and 15,681

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Solution

The fourth proportional to 39,054.57, 58,581.84 and 15,681 is: 23,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,054.57 : 58,581.84 = 15,681 : x
  2. Step 2: Convert to fraction form
    39,054.57/58,581.84 = 15,681/x
  3. Step 3: Cross multiply
    39,054.57x = 58,581.84 × 15,681
  4. Step 4: Simplify right side
    39,054.57x = 918,621,833.04
  5. Step 5: Solve for x
    x = 918,621,833.04/39,054.57
  6. Step 6: Final answer
    x = 23,521.49

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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.