Home / 40,589.86-60,870.20-15,617.36

Finding the Fourth Proportional to 40,589.86, 60,870.20 and 15,617.36

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Solution

The fourth proportional to 40,589.86, 60,870.20 and 15,617.36 is: 23,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,589.86 : 60,870.20 = 15,617.36 : x
  2. Step 2: Convert to fraction form
    40,589.86/60,870.20 = 15,617.36/x
  3. Step 3: Cross multiply
    40,589.86x = 60,870.20 × 15,617.36
  4. Step 4: Simplify right side
    40,589.86x = 950,631,826.67
  5. Step 5: Solve for x
    x = 950,631,826.67/40,589.86
  6. Step 6: Final answer
    x = 23,420.43

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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.