Home / 51,609.04-77,357.52-21,642.64

Finding the Fourth Proportional to 51,609.04, 77,357.52 and 21,642.64

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Solution

The fourth proportional to 51,609.04, 77,357.52 and 21,642.64 is: 32,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,609.04 : 77,357.52 = 21,642.64 : x
  2. Step 2: Convert to fraction form
    51,609.04/77,357.52 = 21,642.64/x
  3. Step 3: Cross multiply
    51,609.04x = 77,357.52 × 21,642.64
  4. Step 4: Simplify right side
    51,609.04x = 1,674,220,956.65
  5. Step 5: Solve for x
    x = 1,674,220,956.65/51,609.04
  6. Step 6: Final answer
    x = 32,440.46

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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.