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Finding the Fourth Proportional to 53,065.51, 73,217.72 and 35,869.93

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Solution

The fourth proportional to 53,065.51, 73,217.72 and 35,869.93 is: 49,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,065.51 : 73,217.72 = 35,869.93 : x
  2. Step 2: Convert to fraction form
    53,065.51/73,217.72 = 35,869.93/x
  3. Step 3: Cross multiply
    53,065.51x = 73,217.72 × 35,869.93
  4. Step 4: Simplify right side
    53,065.51x = 2,626,314,491.16
  5. Step 5: Solve for x
    x = 2,626,314,491.16/53,065.51
  6. Step 6: Final answer
    x = 49,491.93

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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.