Home / 53,173.81-79,685.46-29,491.78

Finding the Fourth Proportional to 53,173.81, 79,685.46 and 29,491.78

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Solution

The fourth proportional to 53,173.81, 79,685.46 and 29,491.78 is: 44,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173.81 : 79,685.46 = 29,491.78 : x
  2. Step 2: Convert to fraction form
    53,173.81/79,685.46 = 29,491.78/x
  3. Step 3: Cross multiply
    53,173.81x = 79,685.46 × 29,491.78
  4. Step 4: Simplify right side
    53,173.81x = 2,350,066,055.52
  5. Step 5: Solve for x
    x = 2,350,066,055.52/53,173.81
  6. Step 6: Final answer
    x = 44,195.93

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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.