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Finding the Fourth Proportional to 36,510.62, 50,368.65 and 21,395.62

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Solution

The fourth proportional to 36,510.62, 50,368.65 and 21,395.62 is: 29,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,510.62 : 50,368.65 = 21,395.62 : x
  2. Step 2: Convert to fraction form
    36,510.62/50,368.65 = 21,395.62/x
  3. Step 3: Cross multiply
    36,510.62x = 50,368.65 × 21,395.62
  4. Step 4: Simplify right side
    36,510.62x = 1,077,668,243.47
  5. Step 5: Solve for x
    x = 1,077,668,243.47/36,510.62
  6. Step 6: Final answer
    x = 29,516.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.