Home / 38,931.06-58,396.68-10,851.18

Finding the Fourth Proportional to 38,931.06, 58,396.68 and 10,851.18

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Solution

The fourth proportional to 38,931.06, 58,396.68 and 10,851.18 is: 16,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.06 : 58,396.68 = 10,851.18 : x
  2. Step 2: Convert to fraction form
    38,931.06/58,396.68 = 10,851.18/x
  3. Step 3: Cross multiply
    38,931.06x = 58,396.68 × 10,851.18
  4. Step 4: Simplify right side
    38,931.06x = 633,672,886.08
  5. Step 5: Solve for x
    x = 633,672,886.08/38,931.06
  6. Step 6: Final answer
    x = 16,276.80

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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.