Home / 52,959.16-79,421.10-21,361.06

Finding the Fourth Proportional to 52,959.16, 79,421.10 and 21,361.06

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Solution

The fourth proportional to 52,959.16, 79,421.10 and 21,361.06 is: 32,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,959.16 : 79,421.10 = 21,361.06 : x
  2. Step 2: Convert to fraction form
    52,959.16/79,421.10 = 21,361.06/x
  3. Step 3: Cross multiply
    52,959.16x = 79,421.10 × 21,361.06
  4. Step 4: Simplify right side
    52,959.16x = 1,696,518,882.37
  5. Step 5: Solve for x
    x = 1,696,518,882.37/52,959.16
  6. Step 6: Final answer
    x = 32,034.47

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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.