Home / 30,892.47-46,340.55-8,707.74

Finding the Fourth Proportional to 30,892.47, 46,340.55 and 8,707.74

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Solution

The fourth proportional to 30,892.47, 46,340.55 and 8,707.74 is: 13,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.47 : 46,340.55 = 8,707.74 : x
  2. Step 2: Convert to fraction form
    30,892.47/46,340.55 = 8,707.74/x
  3. Step 3: Cross multiply
    30,892.47x = 46,340.55 × 8,707.74
  4. Step 4: Simplify right side
    30,892.47x = 403,521,460.86
  5. Step 5: Solve for x
    x = 403,521,460.86/30,892.47
  6. Step 6: Final answer
    x = 13,062.13

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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.