Home / 52,958.16-79,419.60-21,360.06

Finding the Fourth Proportional to 52,958.16, 79,419.60 and 21,360.06

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Solution

The fourth proportional to 52,958.16, 79,419.60 and 21,360.06 is: 32,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.16 : 79,419.60 = 21,360.06 : x
  2. Step 2: Convert to fraction form
    52,958.16/79,419.60 = 21,360.06/x
  3. Step 3: Cross multiply
    52,958.16x = 79,419.60 × 21,360.06
  4. Step 4: Simplify right side
    52,958.16x = 1,696,407,421.18
  5. Step 5: Solve for x
    x = 1,696,407,421.18/52,958.16
  6. Step 6: Final answer
    x = 32,032.98

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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.