Home / 52,741.32-79,112.79-21,154.17

Finding the Fourth Proportional to 52,741.32, 79,112.79 and 21,154.17

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Solution

The fourth proportional to 52,741.32, 79,112.79 and 21,154.17 is: 31,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,741.32 : 79,112.79 = 21,154.17 : x
  2. Step 2: Convert to fraction form
    52,741.32/79,112.79 = 21,154.17/x
  3. Step 3: Cross multiply
    52,741.32x = 79,112.79 × 21,154.17
  4. Step 4: Simplify right side
    52,741.32x = 1,673,565,408.83
  5. Step 5: Solve for x
    x = 1,673,565,408.83/52,741.32
  6. Step 6: Final answer
    x = 31,731.58

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1.5x scale

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.