Home / 43,260.24-64,890.36-18,636.24

Finding the Fourth Proportional to 43,260.24, 64,890.36 and 18,636.24

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Solution

The fourth proportional to 43,260.24, 64,890.36 and 18,636.24 is: 27,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260.24 : 64,890.36 = 18,636.24 : x
  2. Step 2: Convert to fraction form
    43,260.24/64,890.36 = 18,636.24/x
  3. Step 3: Cross multiply
    43,260.24x = 64,890.36 × 18,636.24
  4. Step 4: Simplify right side
    43,260.24x = 1,209,312,322.65
  5. Step 5: Solve for x
    x = 1,209,312,322.65/43,260.24
  6. Step 6: Final answer
    x = 27,954.36

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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.