Home / 43,204.65-64,806.98-13,624.80

Finding the Fourth Proportional to 43,204.65, 64,806.98 and 13,624.80

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Solution

The fourth proportional to 43,204.65, 64,806.98 and 13,624.80 is: 20,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,204.65 : 64,806.98 = 13,624.80 : x
  2. Step 2: Convert to fraction form
    43,204.65/64,806.98 = 13,624.80/x
  3. Step 3: Cross multiply
    43,204.65x = 64,806.98 × 13,624.80
  4. Step 4: Simplify right side
    43,204.65x = 882,982,028.11
  5. Step 5: Solve for x
    x = 882,982,028.11/43,204.65
  6. Step 6: Final answer
    x = 20,437.20

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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.