Home / 53,134.65-79,723.53-19,864.26

Finding the Fourth Proportional to 53,134.65, 79,723.53 and 19,864.26

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Solution

The fourth proportional to 53,134.65, 79,723.53 and 19,864.26 is: 29,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,134.65 : 79,723.53 = 19,864.26 : x
  2. Step 2: Convert to fraction form
    53,134.65/79,723.53 = 19,864.26/x
  3. Step 3: Cross multiply
    53,134.65x = 79,723.53 × 19,864.26
  4. Step 4: Simplify right side
    53,134.65x = 1,583,648,928.04
  5. Step 5: Solve for x
    x = 1,583,648,928.04/53,134.65
  6. Step 6: Final answer
    x = 29,804.45

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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.