Home / 53,048.81-79,571.18-17,988.44

Finding the Fourth Proportional to 53,048.81, 79,571.18 and 17,988.44

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Solution

The fourth proportional to 53,048.81, 79,571.18 and 17,988.44 is: 26,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,048.81 : 79,571.18 = 17,988.44 : x
  2. Step 2: Convert to fraction form
    53,048.81/79,571.18 = 17,988.44/x
  3. Step 3: Cross multiply
    53,048.81x = 79,571.18 × 17,988.44
  4. Step 4: Simplify right side
    53,048.81x = 1,431,360,909.36
  5. Step 5: Solve for x
    x = 1,431,360,909.36/53,048.81
  6. Step 6: Final answer
    x = 26,981.96

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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.