Home / 40,710.15-61,065.52-12,629.67

Finding the Fourth Proportional to 40,710.15, 61,065.52 and 12,629.67

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Solution

The fourth proportional to 40,710.15, 61,065.52 and 12,629.67 is: 18,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,710.15 : 61,065.52 = 12,629.67 : x
  2. Step 2: Convert to fraction form
    40,710.15/61,065.52 = 12,629.67/x
  3. Step 3: Cross multiply
    40,710.15x = 61,065.52 × 12,629.67
  4. Step 4: Simplify right side
    40,710.15x = 771,237,365.98
  5. Step 5: Solve for x
    x = 771,237,365.98/40,710.15
  6. Step 6: Final answer
    x = 18,944.60

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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.