Home / 31,078.86-46,572.93-15,475.02

Finding the Fourth Proportional to 31,078.86, 46,572.93 and 15,475.02

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Solution

The fourth proportional to 31,078.86, 46,572.93 and 15,475.02 is: 23,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078.86 : 46,572.93 = 15,475.02 : x
  2. Step 2: Convert to fraction form
    31,078.86/46,572.93 = 15,475.02/x
  3. Step 3: Cross multiply
    31,078.86x = 46,572.93 × 15,475.02
  4. Step 4: Simplify right side
    31,078.86x = 720,717,023.21
  5. Step 5: Solve for x
    x = 720,717,023.21/31,078.86
  6. Step 6: Final answer
    x = 23,189.94

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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.