Home / 43,246.72-64,895.70-18,285.40

Finding the Fourth Proportional to 43,246.72, 64,895.70 and 18,285.40

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Solution

The fourth proportional to 43,246.72, 64,895.70 and 18,285.40 is: 27,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.72 : 64,895.70 = 18,285.40 : x
  2. Step 2: Convert to fraction form
    43,246.72/64,895.70 = 18,285.40/x
  3. Step 3: Cross multiply
    43,246.72x = 64,895.70 × 18,285.40
  4. Step 4: Simplify right side
    43,246.72x = 1,186,643,832.78
  5. Step 5: Solve for x
    x = 1,186,643,832.78/43,246.72
  6. Step 6: Final answer
    x = 27,438.93

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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.