Home / 38,972.63-58,465.07-12,671.22

Finding the Fourth Proportional to 38,972.63, 58,465.07 and 12,671.22

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Solution

The fourth proportional to 38,972.63, 58,465.07 and 12,671.22 is: 19,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.63 : 58,465.07 = 12,671.22 : x
  2. Step 2: Convert to fraction form
    38,972.63/58,465.07 = 12,671.22/x
  3. Step 3: Cross multiply
    38,972.63x = 58,465.07 × 12,671.22
  4. Step 4: Simplify right side
    38,972.63x = 740,823,764.29
  5. Step 5: Solve for x
    x = 740,823,764.29/38,972.63
  6. Step 6: Final answer
    x = 19,008.82

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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.