Home / 57,240.42-85,864.43-19,804.11

Finding the Fourth Proportional to 57,240.42, 85,864.43 and 19,804.11

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Solution

The fourth proportional to 57,240.42, 85,864.43 and 19,804.11 is: 29,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.42 : 85,864.43 = 19,804.11 : x
  2. Step 2: Convert to fraction form
    57,240.42/85,864.43 = 19,804.11/x
  3. Step 3: Cross multiply
    57,240.42x = 85,864.43 × 19,804.11
  4. Step 4: Simplify right side
    57,240.42x = 1,700,468,616.81
  5. Step 5: Solve for x
    x = 1,700,468,616.81/57,240.42
  6. Step 6: Final answer
    x = 29,707.48

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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.