Home / 43,173.76-64,767.12-19,802.56

Finding the Fourth Proportional to 43,173.76, 64,767.12 and 19,802.56

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Solution

The fourth proportional to 43,173.76, 64,767.12 and 19,802.56 is: 29,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,173.76 : 64,767.12 = 19,802.56 : x
  2. Step 2: Convert to fraction form
    43,173.76/64,767.12 = 19,802.56/x
  3. Step 3: Cross multiply
    43,173.76x = 64,767.12 × 19,802.56
  4. Step 4: Simplify right side
    43,173.76x = 1,282,554,779.83
  5. Step 5: Solve for x
    x = 1,282,554,779.83/43,173.76
  6. Step 6: Final answer
    x = 29,706.81

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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.