Home / 51,429.19-70,943.71-29,916.51

Finding the Fourth Proportional to 51,429.19, 70,943.71 and 29,916.51

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Solution

The fourth proportional to 51,429.19, 70,943.71 and 29,916.51 is: 41,268.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,429.19 : 70,943.71 = 29,916.51 : x
  2. Step 2: Convert to fraction form
    51,429.19/70,943.71 = 29,916.51/x
  3. Step 3: Cross multiply
    51,429.19x = 70,943.71 × 29,916.51
  4. Step 4: Simplify right side
    51,429.19x = 2,122,388,209.65
  5. Step 5: Solve for x
    x = 2,122,388,209.65/51,429.19
  6. Step 6: Final answer
    x = 41,268.16

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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.