Home / 57,868.86-86,663.10-40,049.58

Finding the Fourth Proportional to 57,868.86, 86,663.10 and 40,049.58

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Solution

The fourth proportional to 57,868.86, 86,663.10 and 40,049.58 is: 59,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,868.86 : 86,663.10 = 40,049.58 : x
  2. Step 2: Convert to fraction form
    57,868.86/86,663.10 = 40,049.58/x
  3. Step 3: Cross multiply
    57,868.86x = 86,663.10 × 40,049.58
  4. Step 4: Simplify right side
    57,868.86x = 3,470,820,756.50
  5. Step 5: Solve for x
    x = 3,470,820,756.50/57,868.86
  6. Step 6: Final answer
    x = 59,977.35

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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.