Home / 38,972.76-58,465.26-12,671.35

Finding the Fourth Proportional to 38,972.76, 58,465.26 and 12,671.35

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Solution

The fourth proportional to 38,972.76, 58,465.26 and 12,671.35 is: 19,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.76 : 58,465.26 = 12,671.35 : x
  2. Step 2: Convert to fraction form
    38,972.76/58,465.26 = 12,671.35/x
  3. Step 3: Cross multiply
    38,972.76x = 58,465.26 × 12,671.35
  4. Step 4: Simplify right side
    38,972.76x = 740,833,626.14
  5. Step 5: Solve for x
    x = 740,833,626.14/38,972.76
  6. Step 6: Final answer
    x = 19,009.01

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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.