Home / 52,020.04-78,033.32-20,851.24

Finding the Fourth Proportional to 52,020.04, 78,033.32 and 20,851.24

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Solution

The fourth proportional to 52,020.04, 78,033.32 and 20,851.24 is: 31,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.04 : 78,033.32 = 20,851.24 : x
  2. Step 2: Convert to fraction form
    52,020.04/78,033.32 = 20,851.24/x
  3. Step 3: Cross multiply
    52,020.04x = 78,033.32 × 20,851.24
  4. Step 4: Simplify right side
    52,020.04x = 1,627,091,483.32
  5. Step 5: Solve for x
    x = 1,627,091,483.32/52,020.04
  6. Step 6: Final answer
    x = 31,278.17

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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.