Home / 38,867.71-58,303.38-12,574.50

Finding the Fourth Proportional to 38,867.71, 58,303.38 and 12,574.50

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Solution

The fourth proportional to 38,867.71, 58,303.38 and 12,574.50 is: 18,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.71 : 58,303.38 = 12,574.50 : x
  2. Step 2: Convert to fraction form
    38,867.71/58,303.38 = 12,574.50/x
  3. Step 3: Cross multiply
    38,867.71x = 58,303.38 × 12,574.50
  4. Step 4: Simplify right side
    38,867.71x = 733,135,851.81
  5. Step 5: Solve for x
    x = 733,135,851.81/38,867.71
  6. Step 6: Final answer
    x = 18,862.34

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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.