Home / 43,509.04-65,260.08-13,918.88

Finding the Fourth Proportional to 43,509.04, 65,260.08 and 13,918.88

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Solution

The fourth proportional to 43,509.04, 65,260.08 and 13,918.88 is: 20,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,509.04 : 65,260.08 = 13,918.88 : x
  2. Step 2: Convert to fraction form
    43,509.04/65,260.08 = 13,918.88/x
  3. Step 3: Cross multiply
    43,509.04x = 65,260.08 × 13,918.88
  4. Step 4: Simplify right side
    43,509.04x = 908,347,222.31
  5. Step 5: Solve for x
    x = 908,347,222.31/43,509.04
  6. Step 6: Final answer
    x = 20,877.21

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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.