Home / 43,260.15-64,889.81-13,677.99

Finding the Fourth Proportional to 43,260.15, 64,889.81 and 13,677.99

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Solution

The fourth proportional to 43,260.15, 64,889.81 and 13,677.99 is: 20,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260.15 : 64,889.81 = 13,677.99 : x
  2. Step 2: Convert to fraction form
    43,260.15/64,889.81 = 13,677.99/x
  3. Step 3: Cross multiply
    43,260.15x = 64,889.81 × 13,677.99
  4. Step 4: Simplify right side
    43,260.15x = 887,562,094.35
  5. Step 5: Solve for x
    x = 887,562,094.35/43,260.15
  6. Step 6: Final answer
    x = 20,516.85

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1.5x scale

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.