Home / 40,892.86-61,340.51-11,312.88

Finding the Fourth Proportional to 40,892.86, 61,340.51 and 11,312.88

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Solution

The fourth proportional to 40,892.86, 61,340.51 and 11,312.88 is: 16,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,892.86 : 61,340.51 = 11,312.88 : x
  2. Step 2: Convert to fraction form
    40,892.86/61,340.51 = 11,312.88/x
  3. Step 3: Cross multiply
    40,892.86x = 61,340.51 × 11,312.88
  4. Step 4: Simplify right side
    40,892.86x = 693,937,465.50
  5. Step 5: Solve for x
    x = 693,937,465.50/40,892.86
  6. Step 6: Final answer
    x = 16,969.65

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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.