Home / 57,678.04-86,516.54-18,235.17

Finding the Fourth Proportional to 57,678.04, 86,516.54 and 18,235.17

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Solution

The fourth proportional to 57,678.04, 86,516.54 and 18,235.17 is: 27,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,678.04 : 86,516.54 = 18,235.17 : x
  2. Step 2: Convert to fraction form
    57,678.04/86,516.54 = 18,235.17/x
  3. Step 3: Cross multiply
    57,678.04x = 86,516.54 × 18,235.17
  4. Step 4: Simplify right side
    57,678.04x = 1,577,643,290.95
  5. Step 5: Solve for x
    x = 1,577,643,290.95/57,678.04
  6. Step 6: Final answer
    x = 27,352.58

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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.